| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 21202-37-9 | 2-(3-甲基苯基)-1h-咪唑 | 2-(3-methylphenyl)-1h-imidazole | | | | |
| 21202-42-6 | | 4-(1h-imidazol-2-yl)-pyridine | | | | |
| 21202-52-8 | 1-乙基-2-甲基-1h-咪唑 | 1-ethyl-2-methyl-1h-imidazole | | | | |
| 21203-55-4 | 2,4,6-三甲基-3-硝基吡啶 | 2,4,6-trimethyl-3-nitro-pyridine | | | | |
| 21203-64-5 | 6-甲基-3-硝基吡啶-2-羧酸 | 6-methyl-3-nitropyridine-2-carboxylic acid | | | | |
| 21203-68-9 | 2-甲基-5-硝基吡啶 | 2-methyl-5-nitropyridine | C6H6N2O2 | 138.12 | | |
| 21203-78-1 | 2-溴-6-硝基吡啶 | 2-bromo-6-nitro-pyridin | C5H3BrN2O2 | 202.99 | | |
| 21203-79-2 | | 2-Methyl-4-phenyl-pyrimidine | C11H10N2 | 170.21 | | |
| 21203-83-8 | 2-苯氧基嘧啶-4-胺 | 2-phenoxypyridin-4-amine | | | | |
| 21203-86-1 | | 4-amino-2-phenylpyridine | C11H10N2 | 170.21 | | |
| 21204-67-1 | | Triphenylphosphonium 2-methoxy-2-oxoethylide | C21H19O2P | 334.35 | | |
| 21205-05-0 | 3-甲砜基二苯甲酮 | 3-(methylsulfonyl)benzophenone | | | | |
| 21205-49-2 | | [(1,2-()-1,2-Propadiene]bis(triphenylphosphine)platinum | C39H34P2Pt | 759.71 | | |
| 21205-91-4 | 9-硼双环[3,3,1]壬烷,二聚物,晶体 | 9-bbn dimer | C16H30B2 | 244.03 | 149-155℃ | |
| 21206-60-0 | | pseudococaine | C17H21NO4 | 303.35 | | |
| 21206-72-4 | | beta-methyl-alpha,alpha-diphenyl-2-azabicyclo(2.2.2)octane-2-propano hydroc | | | | |
| 212063-19-9 | | n-cbz-2-iodoaniline | | | | |
| 2120690-30-2 | 1-异丙基-1h-咪唑并[4,5-c]吡啶-4-甲酸乙酯 | ethyl 1-isopropyl-1h-imidazo[4,5-c]pyridine-4-carboxylate | | | | |
| 21207-77-2 | | Methyl-phosphonofluoridodithioic acid | CH4FPS2 | 130.14 | | |
| 212071-00-6 | | methyl 1-tosyl-1h-pyrrole-3-carboxylate | | | | |
| 212078-20-1 | (e)-3-(萘-2-基)丁-2-烯酸甲酯 | (e)-methyl 3-(naphthalen-2-yl)but-2-enoate | | | | |
| 21208-26-4 | | dimepregnen | | | | |
| 21208-79-7 | | 2-((4-cyclooctyloxy)butyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21208-80-0 | | 2-(4-(p-methoxyphenyl)butyl)amino-ethanethio hydrogen thiosulfate | | | | |
| 21208-81-1 | | 2-(4-(2,4-dichlorophenoxy)butyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21208-82-2 | | 2-(4-(p-nitrophenoxy)butyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21208-85-5 | | 2-(5-(o-tolyloxy)pentyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21208-86-6 | | 2-(6-(o-tolyloxy)hexyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21208-87-7 | | 2-(cyclohexylamino)-ethanethio hydrogen sulfate (ester) | | | | |
| 21208-88-8 | | 2-(3-cyclobutylpropyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21208-89-9 | | 2-(cyclohexylmethyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21208-91-3 | | 2-(2-cyclohexylethyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21208-94-6 | | 2-((2-cyclopentylbutyl)amino)-ethanethio hydrogen sulfate (ester) | | | | |
| 21208-95-7 | | 2-(3-cyclohexylpropyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21208-96-8 | | 2-(2-cyclohexylpropyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21208-97-9 | | 2-(2-cycloheptylethyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21208-98-0 | | ethanethiol, 2-(4-cyclohexylbutyl)amino-, hydrogen sulfate (ester), sodium salt | | | | |
| 21208-99-1 | | 2-(5-cyclopentylpentyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-01-8 | | 2-(2-cyclopentylhexyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-02-9 | | 2-(4-(4-methylcyclohexyl)butyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-03-0 | | 2-(5-cyclohexylpentyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-04-1 | | 2-(4-(3-methylcyclohexyl)butyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-05-2 | | 2-(2-cyclohexylpentyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-06-3 | | 2-(4-cycloheptylbutyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-07-4 | | 2-(4-(4-methoxycyclohexyl)butyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-08-5 | | 2-(7-cyclopentylheptyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-09-6 | | 2-(6-cyclohexylhexyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-10-9 | | 2-(4-(4-ethylcyclohexyl)butyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-11-0 | | 2-(4-(2,4-dimethylcyclohexyl)butyl)amino-ethanethio hydrogen sulfate (ester | | | | |
| 21209-12-1 | | 2-(4-(2,5-dimethylcyclohexyl)butyl)amino-ethanethio hydrogen sulfate(ester) | | | | |
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