4，6-二氟靛红-贸易谷供应-MaoYiGu.Com

7-Bromo-2,3-dioxoindoline	7-溴靛红
6-Methoxyisatin	6-甲氧基靛红
7-Fluoroisatin	7-氟靛红
6-(Trifluoromethoxy)isatin	6-三氟甲氧基靛红
5-(Trifluoromethoxy)isatin	5-三氟甲氧基靛红
7-Iodoisatin	7-碘靛红
4,6-dimethoxy-1H-indole-2,3-dione	4,6-二甲氧基靛红
7-(Trifluoromethyl)indoline-2,3-dione	7-三氟甲基靛红
6-(Trifluoromethyl)-1H-indole-2,3-dione	6-三氟甲基靛红
4-(Trifluoromethyl)-1H-indole-2,3-dione	4-三氟甲基靛红
4-Bromoisatin	4-溴靛红
6-Bromoisatin	6-溴靛红
4-Iodo-1H-Indole-2,3-dione	4-碘靛红
6-Iodo-1H-Indole-2,3-dione	6-碘靛红
4,6-Difluoroisatin	4，6-二氟靛红
5,6-Difluoroisatin	5,6-二氟靛红
7-(Trifluoromethoxy)-1H-indole-2,3-dione	7-三氟甲氧基靛红
5-bromo-6-methylindoline-2,3-dione	5-溴-6-甲基靛红
2-Amino-3-bromobenzoic acid	2-氨基-3-溴苯甲酸
2-Amino-4-methoxybenzoic acid	2-氨基-4-甲氧基苯甲酸
2-Nitro-3-methoxybenzoic acid	2-硝基-3-甲氧基苯甲酸
2-Amino-3-methoxybenzoic acid	2-氨基-3-甲氧基苯甲酸
2-Amino-3-fluorobenzoic acid	2-氨基-3-氟苯甲酸
2-Amino-4,6-dimethoxybenzoic acid	2-氨基-4,6-二甲氧基苯甲酸
2-Amino-6-bromobenzoic acid	6-溴-2-氨基苯甲酸
2-amino-6-iodobenzoic acid	2-氨基-6-碘苯甲酸
2-amino-4-iodobenzoic acid	2-氨基-4-碘苯甲酸
2-amino-3-iodobenzoic acid	2-氨基-3-碘苯甲酸
2-Amino-3-(trifluoromethoxy)benzoic acid	2-氨基-3-三氟甲氧基苯甲酸
4-Methoxy-3-methylbenzoic acid	4-甲氧基-3-甲基苯甲酸
4-Hydroxy-3-methylbenzoic acid	4-羟基-3-甲基苯甲酸
4-Amino-3-hydroxybenzoic acid	3-羟基-4-氨基苯甲酸
4-Bromophthalicacid	4-溴邻苯二甲酸
4-chloroisoindoline-1,3-dione
4-Bromophthalic anhydride	4-溴邻苯二甲酸酐
4-Bromophthalimide	4-溴邻苯二甲酰亚胺
3-hydroxy-5-methylbenzoic acid	3-羟基-5-甲基苯甲酸
3-methoxy-5-methylbenzoic acid	3-甲氧基-5-甲基苯甲酸
3-aminophthalic acid	3-氨基苯二甲酸
2-amino-4-methoxybenzaldehyde	2-氨基-4-甲氧基苯甲醛
4-METHOXY-2-NITRO-BENZALDEHYDE
4-BROMO-2-FURALDEHYDE	4-溴-2-呋喃甲醛
4-(Dimethylamino)salicylaldehyde
methyl 4-hydroxy-3-methylbenzoate	4-羟基-3-甲基苯甲酸甲酯
1H-INDOLE-3-ACETIC ACID, 6-BROMO-A-OXO-	6-溴吲哚-3-乙酸甲酯
3-Methoxy-5-methyl- benzoic acid methyl ester	3-甲氧基-5-甲基苯甲酸甲酯
Methyl 3-(bromomethyl)-5-methoxybenzoate	3-溴甲基-5-甲氧基苯甲酸甲酯
Benzoic acid, 4-(bromomethyl)-3-methoxy-	4-溴甲基-3-甲氧基苯甲酸
Methyl 2-amino-3-bromobenzoate	3-溴-2-氨基苯甲酸甲酯
2-amino-6- bromo-, methyl ester	6-溴-2-氨基苯甲酸甲酯
methyl 2-amino-4-methoxybenzoate
methyl 2-amino-5-iodo-4-methoxybenzoate
2-Chloro-4-hydroxy-benzoic acid methyl ester
4-Hydroxy-2-methoxy-benzoic acid methyl ester
2-Amino-6-fluoro-benzoic acid methyl ester Hydrochloride
2-Chloro-1,5-naphthyridine
1,8-Naphthyridine
1,5-Naphthyridine	1,5-萘啶
4-Hydroxy-1,5-naphthyridine-3-carboxylic acid	4-羟基-1,5-萘啶-3-羧酸
3,7-Dibromo-1,5-naphthyridine
3-Bromo-1,5-naphthyridine
tert-butyl 1,5-naphthyridin-3-ylcarbamate
3-Amino-1,5-naphthyridine
3-iodo-1,5-naphthyridine
7-bromo-1,5-naphthyridin-2(1H)-one
1,5-naphthyridine N-(1)-oxide
1,5-naphthyridine-2-carbonitrile
1,5-naphthyridin-2-ol
1,8-Naphthalenediol	1,8-二羟基萘
Methyl 8-hydroxy-1-naphthoate	8-羟基-1萘甲酸甲酯
1-Naphthalenecarboxylicacid, 5-hydroxy-, methyl ester	5-羟基-1萘甲酸甲酯
2H-naphtho[1,8-bc]furan-2-one
1,8-Naphthalenediol, dibenzoate (9CI)	1,8-二苯甲酸萘脂
4-bromo-8-methoxynaphthalen-1-ol
8-Methoxynaphthalene-1-ol
(4-bromo-8-methoxynaphthalen-1-yloxy)triisopropylsilane
1,8-dimethoxynaphthalene
8-Hydroxy-3,4-dihydro-2H-naphthalen-1-one
5-Ethynyl-pyrimidine	5-乙炔嘧啶
1-(6-methylpyrimidin-4-yl)ethanone	1-(6-甲基-4-嘧啶)-乙酮
6-methyl-2-(trifluoromethyl)pyrimidin-4-ol
2,4-Dichloro-5-aminopyrimidine	2,4-二氯-5-氨基嘧啶
4-methyl-2-piperazin-1-ylpyrimidine	4-甲基-2-(1-哌嗪基)嘧啶
Imidazo[1,2-a]pyridine
2-amino-5-chloropyrimidine-4-carboxylic acid hydrochloride
2-(trifluoromethyl)pyrimidine-5-carbaldehyde	2-三氟甲基嘧啶-5-甲醛
Ethyl 4-hydroxy-2-(trifluoromethyl)-5-pyrimidinecarboxylate	6-氧-2-（三氟甲基）-1,6-二氢嘧啶-5-甲酸乙酯 4-羟基-2-(三氟甲基)嘧啶-5-甲酸乙酯
Ethyl 4-chloro-2-(trifluoromethyl)pyrimidine-5- carboxylate	4-氯-2-三氟甲基嘧啶-5-甲酸乙酯
ethyl 2-(trifluoromethyl)pyrimidine-5-carboxylate	2-三氟甲基嘧啶-5-甲酸乙酯
2-(Trifluoromethyl)pyrimidine-4-carboxylic acid
Methyl 2,4-Dichloropyrimidine-5-carboxylate	黄色液体
4-chloro-2-methyl-6-(trifluoromethyl)pyrimidine
2-Methyl-6-(trifluoromethyl)pyrimidin-4-ol	2-甲基-6-三氟甲基-4-羟基嘧啶
2-Piperazin-1-yl-benzoic acid methyl ester
4-Chloro-5-methoxypyrimidine
5-Chloro[1,2,4]triazolo[1,5-c]pyrimidine
5-Fluoro-4-hydroxypyrimidine
(2,4,6-Trichloro-pyrimidin-5-yl)-acetic acid ethyl ester
6-methyl-2-(trifluoromethyl)-1H-pyrimidin-4-one
4-chloro-6-methyl-2-(trifluoromethyl)pyrimidine
4-methyl-2-(trifluoromethyl)pyrimidine
1-methylpiperazine-2-carboxylic acid
1-(5-Methylthiazol-2-yl)piperazine
1-(3-Chlorophenyl)-2-piperazinone	1-（3-氯苯基）-2-酮哌嗪
2-piperazin-1-ylpyrimidin-5-ol	1-(5-羟基-2-嘧啶)哌嗪
1-carbamimidoylpiperidine-4-carboxylic acid	1-甲脒-4-甲酸哌啶
4-(1H-imdazol-4-yl)piperidine	4-（1H-咪唑-4-基）哌啶
2-Piperazinecarboxylic acid methyl ester	2-哌嗪甲酸甲酯
(4-BENZYL-PIPERAZIN-2-YL)-METHANOL
tert-butyl (6-methylpyridin-2-yl)carbamate	6-甲基吡啶-2-氨基甲酸叔丁酯
Ethyl 2-(6-((tert- butoxycarbonyl)amino)pyridin-2-yl)acetate
Ethyl (6-aminopyridin-2-yl)acetate	(6-氨基吡啶-2-基)乙酸乙酯
2-Amino-6-phenylpyridine	6-苯基吡啶-2-胺
1-cyclopropyl-1,3-dihydro-2H-imidazo[4, 5-c]pyridin-2-one	1-环丙基-1,3-二氢咪唑并[4,5-c]吡啶-2-酮
3,4-Pyridinediamine,N4-cyclopropyl-(9CI)	(3-氨基-4-(环丙基氨基)吡啶)
N-Cyclopropyl-3-nitropyridin-4-amine	N-环丙基-4-氨基-3-硝基吡啶
7-chlorothieno[2,3-c]pyridine	7-氯噻吩[2,3-C]并吡啶
Pyridine, 4-(1H-imidazol-4-yl)-	4-（1H-咪唑-4-基）吡啶
1,2,4]Triazolo[1,5-a]pyridine,6-bromo-2- methyl-	6-溴-2-甲基-[1，2，4]三唑并[1,5-a]吡啶
Thieno[2,3-c]pyridine	噻吩[2,3-C]并吡啶
3-aminopyridine-2(1H)-thione	3-氨基-（1H）吡啶-2-硫酮
5-methyl-1H-pyrrole-3-carboxylic acid
1-(5-Amino-2-pyridinyl)-4-piperidinol
2-Aminomethyl-3-methylpyridine
Imidazo[1,5-a]pyrazine,5,6,7,8-tetrahydro-3- methyl-	3-甲基-5,6,7,8-四氢咪唑[1,5a]吡嗪
,6,7,8-tetrahydroimidazo[1,5-a]pyrazine	5,6,7,8-四氢咪唑[1,5-a]吡嗪二盐酸盐
3-(Trifluoromethyl)-5,6,7,8- tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine
5-Trifluoromethoxyl-3-indazolecarboxylic acid	5-三氟甲氧基吲唑-3-羧酸
5-methoxy-1H-indazole	5-甲氧基-1H-吲唑
4-Hydroxyindazole hydrochloride
methyl 2,3-dihydro-3-(phenylmethyl)-2-thioxo-1H-imidazole-4-carboxylate
methyl 1-benzyl-1H-imidazole-5-carboxylate
1H-Benzimidazol-5-ol
9H-Purin-6-amine,9-ethyl
2-Chloropurine	2-氯嘌呤
5-Methoxyindoline
5-(trifluoromethoxy)-1H-indole	5-三氟甲氧基吲哚
6-(trifluoromethoxy)-1H-indole	6-三氟甲氧基吲哚
7-bromoindole	7-溴吲哚
6-(Trifluoromethyl)indole	6-三氟甲基吲哚
7-(trifluoromethyl)-1H-indole	7-三氟甲基吲哚
4-(trifluoromethyl)-1H-indole	4-三氟甲基吲哚
5,6-Dimethoxyindole	5,6-二甲氧基吲哚
4,6-Difluoroindole	4,6-二氟吲哚
5,6-Difluoroindole	5,6-二氟吲哚
5-Morpholinoindole
	6-羟基吲哚
	6-苄氧基吲哚
methyl 3-cyano-1H-indole-5-carboxylate	3-氰基吲哚-5-羧酸甲酯
3-cyano-1H-indole-5-carboxylic acid	3-氰基吲哚-5-羧酸
5-AMINO-3-CYANOINDOLE	5-氨基吲哚-3-甲腈
methyl 6-(trifluoromethyl)-1H-indole-2- carboxylate	6-三氟甲氧基-1H-吲哚-2-羧酸甲酯
6-(trifluoromethoxy)-1H-indole-2-carboxylic acid	6-三氟甲氧基-1H-吲哚-2-羧酸
5-Bromo-1H-indole-2-carboxylic acid
6-cyano-1H-indole-3-carboxylic acid	6-氰基吲哚-3-甲酸
6-Methoxyindole-3-acetic acid
1H-Indole-3-carboxylic acid, 7-bromo-	7-溴-3-吲哚甲酸
Ethyl 6-Bromoindole-2-carboxylate	6-溴吲哚-2-羧酸乙酯
5-nitro-1H-indole-3-carbonitrile	5-硝基吲哚-3-甲腈
3-formyl-1H-indole-6-carbonitrile	6-氰基吲哚-3-甲醛
5-Methoxy-3-(4-piperidinyl)-1H-indole
5-Methyl-3-piperidin-4-yl-1H-indole HCl
5-TrifluoroMethoxy-3-(4-piperidinyl)-1H-indole	5-三氟甲氧基-3-（4-哌啶）吲哚
3-(piperidin-4-yl)-6-(trifluoromethoxy)-1H-indole
6-Trifluoromethyl-3-(4-piperidinyl)-1H-indole
1H-Indole, 6-methoxy-3-(4-piperidinyl)-	6-甲氧基-3-（4-哌啶）-吲哚
5-Fluoro-3-(4-piperidinyl)-1H-indole
5-methyl-3-(1,2,3,6-tetrahydropyridin-4-yl)-1H-indole
7-Fluoro-3-(1,2,3,6-tetrahydropyridin-4-yl)-1H-indole
7-FLUORO-3-(4-PIPERIDINYL)-1H-INDOLE
4-Fluoro-3-(1,2,3,6-tetrahydropyridin-4-yl)-1H-indole
4-Fluoro-3-(piperidin-4-yl)-1H-indole
	6-溴-3-（哌啶-4-基）-1H-吲哚
6-Trifluoromethyloxindole	6-三氟甲基氧化吲哚
5-Chlorooxindole	5-氯吲哚酮
2-(6-Bromo-1H-indol -3-yl)acetic acid	6-溴吲哚-3-乙酸
5-Indolecarboxylic acid methyl ester	吲哚-5-甲酸甲酯
methyl indoline-5-carboxylate	吲哚啉-5-甲酸甲酯
6-Bromo-4-indolecarboxylic acid methyl ester
Ethyl indoline-6-carboxylate
Ethyl 4-Chloroindole-2-carboxylate
1-[2-(1H-Indol-3-yl)ethyl]piperidin-4-amine
5-Acetylindoline， 1-(2，3-dihydro-1H-indol-5-yl)ethanone
1-Boc-5-aminoindole
1-Boc-6-bromoindole
3-(bromomethyl)-1H-indole
tert-butyl 1-(2-(1H-indol-3-yl)ethyl)piperidin-4-ylcarbamate
methyl 2-(6-chloro-1H-indol-3-yl)-2-oxoacetate
methyl 2-(6-methoxy-1H-indol-3-yl)-2-oxoacetate
5-bromo-1H-indole-3-carbaldehyde
(E)-5-bromo-3-(2-nitrovinyl)-1H-indole
6-fluoro-1H-indole-3-carbaldehyde
(E)-6-fluoro-3-(2-nitrovinyl)-1H-indole
tert-butyl 5-nitro-1H-indole-1-carboxylate
5-Methylindoline	5-甲基吲哚啉
5-(trifluoromethoxy)-1H-indole	5-三氟甲氧基吲哚啉
6-(trifluoromethoxy)-1H-indole	6-三氟甲氧基吲哚啉
6-(Trifluoromethyl)indoline	6-三氟甲基吲哚啉
4-(Trifluoromethyl)indoline	4-三氟甲基吲哚啉
7-bromo-2,3-dihydro-1H-indole
4-chloroindoline
5,6-dimethoxy-2,3-dihydro-1H-indole	5,6-二甲氧基吲哚啉
5,6-difluoroindoline	5,6-二氟吲哚啉
2,3-dihydro-5-(4-morpholinyl)-1H-Indole
4-Bromoindoline	4-溴吲哚啉
6-Bromoindoline	6-溴吲哚啉
6-chloro-2,3-dihydro-1H-indole	6-氯吲哚啉
methyl 2,3-dihydro-1H-indole-6-carboxylatato	6-甲酸甲酯吲哚啉
N-Boc-5-Bromoindoline
7-Benzyloxyindoline
5-Bromoisoindoline	5-溴异二氢吲哚盐酸盐
tert-butyl 5-bromo-1,3-dihydro-2H-isoindole-2- carboxylate	N-BOC-5-溴异二氢吲哚
1H-Isoindole,4-chloro- 2,3-dihydro-)	4-氯异吲哚啉
4-methylisoindoline
4-AMINOMETHYL-7-AZAINDOLE	4-氨甲基-7-氮杂吲哚
4-Chloro-7-azaindole	4-氯-7-氮杂吲哚
4-Cyano-7-azaindole	4-氰基-7-氮杂吲哚
2-(4-(trifluoromethyl)-1H-indol-3-yl)ethanamine
4-Fluorotryptamine
7-Fluorotryptamine
5-(Trifluoromethoxy)-1H- indole-3-ethanamine	5-三氟甲氧基色胺盐酸盐
2-(6-(trifluoromethoxy)-1H-indol-3-yl)ethanamine hydrochloride	6-三氟甲氧基色胺盐酸盐
6-FLUOROTRYPTAMINE HYDROCHLORIDE	6-氟色胺盐酸盐
1H-Indole-3-aceticacid,6-chloro-(9CI)	6-氯色胺盐酸盐
5-Bromotryptamine
8-fluoroquinolin-4-ol	4-羟基-8-氟喹啉
4-Chloro-8-fluoroquinoline	4-氯-8-氟喹啉
methyl4-chloro-6-methylquinoline-2-carboxylate	4-氯-6-甲基-2-喹啉羧酸甲酯
6-bromo-4-chloro-3-nitroquinoline	6-溴-4-氯-3-硝基喹啉
7-Chloro-4-Hydroxylquinoline-3-Carboxylic Acid
7-Bromo-1-hydroxyisoquinoline	7-溴异喹啉-1-酮
7-Bromo-1-chloroisoquinoline	7-溴-1-氯异喹啉
6-Bromo-1-chloroisoquinoline
6-Bromo-2H-isoquinolin-1-one	6-溴-2H-异喹啉-1-酮
7-Nitroisoquinolin-1(2H)-one
6-bromoisoquinolin-1-amine
N-Boc-6-bromoisoquinolin-1-amine
1-oxo-1,8a-dihydroisoquinoline-6-carboxylic acid
6-bromo-2-(2-phenylpropyl)-isoquinolin-1-one
2-benzyl-6-bromo-isoquinolin-1-one
6-Bromo-1-oxo-1,2-dihydroisoquinoline-4-sulfonyl chloride
6-Bromo-4-sulfanylisoquinolin-1 (2H)-one
6-aminoisoquinolin-1(2H)-one
5-Hydroxy-3,4-dihydro-2H-isoquinolin-1-one
6-(trifluoromethyl)quinazoline-2,4(1H,3H)-dione	6-三氟甲基喹唑啉-2,4-二酮
8-(trifluoroMethoxy)quinazoline-2,4(1H,3H) -dione	8-三氟甲氧基喹唑啉-2,4-酮
8-Methoxy-1H-quinazoline-2,4- dione	2，4-二酮-8-甲氧基喹唑啉
7-nitroquinazoline-2,4(1H,3H)-dione	7-硝基喹唑啉-2,4-二酮
7-aminoquinazoline-2,4(1H,3H)-dione	7-氨基喹唑啉-2,4-二酮
5-Fluoroquinazoline-2,4(1H,3H)-dione
5-iodoquinazoline-2,4-diol	5-碘喹唑啉-2,4-二酮
5-chloroquinazoline-2,4(1H,3H)-dione	5-氯喹唑啉-2,4-二酮
8-Fluoroquinolin-2,4-dione
8-Iodoquinazoline-2,4(1H,3H)-dione
4(3H)-Quinazolinone,5-iodo-	5-碘-喹唑啉-4（3H）-酮
7-iodoquinazoline-2,4(1H,3H)-dione	7-碘喹唑啉-2,4-二酮
7-Iodoquinazolin-4(3H)-one
7-Bromo-3,4-dihydroquinazolin-4-one	7-溴喹唑啉-4-酮
7-chloroquinazolin-4(1H)-one	7-氯喹唑啉-4-酮
7-Fluoro-quinazolin-4-ol	7-氟-4-喹唑啉酮
7-chloroquinazoline-2,4(1H,3H)-dione	7-氯喹唑啉-2,4-二酮
7-Fluoroquinazoline-2,4(1H,3H)-dione	7-氟喹唑啉-2,4-二酮
7-Methylquinazoline-2,4(1H,3H)-dione
6-Methylquinazoline-2,4(1H,3H)-dione
7-fluoro-6-nitroquinazoline-2,4(1H,3H)-dione	6-硝基-7-氟喹唑啉-2,4-二酮
7-Fluoro-6-Nitro-4(H)-Quinazoline	6-硝基-7-氟喹唑啉-4-酮
6-nitroquinazolin-4(1H)-one	6-硝基喹唑啉-4-酮
6-methoxy-7-benzyloxyquinazolin-4-one
6-iodo-7-methoxyquinazolin-4(1H)-one
5-Bromoquinazoline-2,4(1H,3H)-dione	5-溴喹唑啉-2,4-二酮
5-bromoquinazolin-4-ol	5-溴喹唑啉-4-酮
8-fluoroquinazoline-2,4(1H,3H)-dione	8-氟喹唑啉-2,4-二酮
8-Methoxyquinazolin-4(3H)-one
8-iodoquinazolin-4-ol	8-碘-4-羟基喹唑啉
4(3H)-Quinazolinone, 8-bromo-	8-溴-4-羟基喹唑啉
7-Bromoquinazoline-2,4(1H,3H)-dione	7-溴喹唑啉-2,4-二酮
2-amino-6,7-dimethoxyquinazolin-4-ol	2-氨基-6,7-二甲氧基喹唑啉-4-酮
2-Chloro-6,7-dimethoxy-3H-quinazolin-4-one
2,5-dichloroquinazolin-4-ol	2,5-二氯喹唑啉-4-酮
5-Chloro-3H- quinazolin-4-one	5-氯喹唑啉-4-酮
2,4-dihydroxyl-6-fluoroquinazoline	6-氟喹唑啉-2,4-二醇
6-Bromoquinazoline-2,4-dione	6-溴喹唑啉-2，4-二酮
6-methoxyquinazoline-2,4-diol	6-甲氧基喹唑啉-2,4-二酮
	6-甲氧基喹唑啉-4-酮
2,4(1H,3H)-Quinazolinedione, 7-methoxy-	7-甲氧基喹唑啉-2,4-二酮
	7-甲氧基喹唑啉-4-酮
4-Chloro-6-methoxyquinazoline	6-甲氧基-4-氯喹唑啉
4-chloro-6-iodo-7-methoxyquinazoline
4-chloro-6-nitroquinazoline
4-chloro-5-(trifluoromethyl)-3,4-dihydroquinazoline
4-Chloro-7- methoxyquinazoline	4-氯-7-甲氧基喹唑啉
2,4-dichloro-8-fluoroquinazoline	2,4-二氯-8-氟喹唑啉
2,4-Dichloro-7-fluoroquinazoline	2,4-二氯-7-氟喹唑啉
2,4-dichloro-6-fluoroquinazoline
2,4,7- Trichloroquinazoline	2,4,7-三氯喹唑啉
2,4-Dichloro-7-methoxyquinazoline	2,4-二氯-7-甲氧基喹唑啉
2,4-dichloro-7-fluoro-6-nitroquinazoline	6-硝基-7-氟-2,4-二氯喹唑啉
2,4,5-trichloroquinazoline	2,4,5-三氯喹唑啉
2,4-dichloro-5-iodoquinazoline	2,4-二氯-5-碘喹唑啉
2-chloro-5-iodoquinazolin-4-amine	2-氯-4-氨基-5-碘喹唑啉
2-Chloro-4-amino-8-bromoquinazoline
2-Chloro-4-amino-8-fluoroquinazoline
2-chloro-8-iodoquinazolin-4-amine
2-Chloro-7-iodoquinazolin-4(3H)-one