| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 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) | | | | |
| 21209-13-2 | | 2-((4-cyclohexylhexyl)amino)-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-14-3 | | 2-(5-cycloheptylpentyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-15-4 | | 2-(8-cyclopentyloctyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-16-5 | | 2-(7-cycloheptylheptyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-19-8 | | 2-(4-(decahydro-2-naphthyl)butyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-21-2 | | 2-((4-(4-cyclohexylcyclohexyl)butyl)amino)-ethanethio hydrogen sulfate (est | | | | |
| 21209-22-3 | | 2-((3-(cyclohexyloxy)propyl)amino)-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-24-5 | | 2-((4-(cyclohexyloxy)butyl)amino)-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-25-6 | | 2-((5-(cyclohexyloxy)pentyl)amino)-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-26-7 | | 2-((6-cyclopentyloxy)hexyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-27-8 | | 2-((4-cycloheptyloxy)butylamino)-ethanethio hydrogen sulfate (ester) | | | | |
| 21209-30-3 | (Z)-9-十八烯酸二甘醇二酯 | 9-Octadecenoic acid (Z)-, oxydi-2,1-ethanediyl ester | C40H74O5 | | | |
| 21209-51-8 | | z-ser-obzl | C18HNO5 | 311.20 | 83-86℃ | 534.5°C |
| 2121-12-2 | | 1,2,3,3a,6,7,12b,12c-octadehydro-2-hydroxy-lycoraniu | C16H12NO3+ | 266.27 | | |
| 2121-66-6 | | propane-1,1,3,3-tetracarboxylic acid tetraethyl ester | C15H24O8 | 332.35 | | |
| 2121-67-7 | | 2,4-dimethylglutaric acid, mixture of dl and meso | C7H12O4 | 160.16 | 104-108℃ | |
| 2121-68-8 | | DIMETHYL 2,4-DIMETHYLGLUTARATE, 98%, MIXTURE OF (+/-) AND MESO | | | | |
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