| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 12120-15-9 | | ethylenebis(triphenylphosphine)platinum(0) | | | | |
| 1212007-08-3 | | (2e)-n-(sec-butyl)-2-buten-1-amine hydrochloride | | | | |
| 1212008-99-5 | umicore催化剂 m71 sipr | umicore m71 sipr | | | | |
| 1212009-05-6 | | hoveyda-grubbs catalyst® m731 | | | | |
| 1212009-08-9 | | dichloro[1,3-bis(2,6-diisopropylphenyl)imidazolidin-2-ylidene][(5-(2-ethoxy-2-oxoethanamido))-(2-isopropoxy)benzylidene]ruthenium(ii) | | | | |
| 1212021-11-8 | | 3-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile | | | | |
| 1212021-23-2 | 2-氧杂二环[2.2.2]辛烷-4-甲醛 | 2-oxabicyclo[2.2.2]octane-4-carbaldehyde | | | | |
| 1212021-55-0 | 3-溴-4-三氟甲基苯腈 | 3-bromo-4-(trifluoromethyl)benzonitrile | | | | |
| 1212021-62-9 | 3-氰基-5-(三氟甲基)苯硼酸 | 3-cyano-5-(trifluoromethyl)benzeneboronic acid | | | | |
| 121203-09-6 | | 2-[(2-ethoxyethyl)thio]-pyridine | | | | |
| 121204-87-3 | | ala(1,3,11,15)-endothelin | C109H163N25O32S | 2367.70 | | |
| 1212059-41-0 | | methyl 4-cyclohexyl-5-oxo-4,5-dihydro-1h-1,2,4-triazole-3-carboxylate | | | | |
| 1212059-55-6 | | 3-(2-nitrophenyl)imidazolidine-2,4-dione | | | | |
| 1212059-84-1 | | methyl [(3-oxo-3,4-dihydro-2h-1,4-benzoxazin-7-yl)oxy]acetate | | | | |
| 121206-76-6 | 5-溴-3-(1-甲基-4-哌啶基)吲哚 | 5-bromo-3-(1-methylpiperidin-4-yl)-1h-indole | | | | |
| 1212060-78-0 | | 2-(4-methyl-3-nitrophenyl)-1,3-dioxane | | | | |
| 1212060-80-4 | | propyl 4-(2-methoxy-2-oxoethoxy)benzoate | | | | |
| 1212060-85-9 | | n-[2-(4-isopropylphenoxy)ethyl]acetamide | | | | |
| 1212061-06-7 | | 4-benzyl-3-(4-nitrophenyl)-4h-1,2,4-triazole | | | | |
| 1212061-25-0 | | n-[2-(pyridin-3-yloxy)ethyl]acetamide | | | | |
| 1212062-74-2 | (R)-1-cbz-3-吡咯烷甲醛 | (R)-1-n-cbz-3-formyl-pyrrolidine | | | | |
| 1212063-26-7 | | methyl 3-azabicyclo[3.1.0]hexane-6-carboxylate | | | | |
| 1212064-03-3 | 反式-1-[(叔丁氧基)羰基] -4-(三氟甲基)吡咯烷-3-羧酸 | trans-1-[(tert-butoxy)carbonyl]-4-(trifluoromethyl)pyrrolidine-3-carboxylic acid | | | | |
| 1212064-17-9 | | (R)-1-(3-chlorophenyl)-2-methylpropan-1-amine | | | | |
| 121207-31-6 | [[(3,5-二甲基-1h-吡咯-2-基)(3,5-二甲基-2h-吡咯-2-亚基)甲基]甲烷](二氟硼烷) | [[(3,5-dimethyl-1h-pyrrol-2-yl)(3,5-dimethyl-2h-pyrrol-2-ylidene)methyl]methane](difluoroborane) | | | | |
| 1212071-38-9 | | trans-methyl 4-(pyridin-3-yl)pyrrolidine-3-carboxylate | | | | |
| 1212073-14-7 | | n-{[1-(phenylsulfonyl)piperidin-4-yl]carbonyl}-l-valine | | | | |
| 1212074-78-6 | (2R)-1-{1-[(叔丁氧基)羰基]哌啶-4-基}吡咯烷-2-羧酸 | (2R)-1-{1-[(tert-butoxy)carbonyl]piperidin-4-yl}pyrrolidine-2-carboxylic acid | | | | |
| 1212075-49-4 | | (R)-1-(2,5-difluorophenyl)ethanamine hydrochloride | | | | |
| 1212076-16-8 | | trans (+/-)-tert-butyl 1-benzyl-4-(4-chlorophenyl) pyrrolidin-3-ylcarbamate | | | | |
| 1212087-13-2 | | (S)-3-(4-hydroxy-3-nitrophenyl)-2-(phenylsulfonamido)propanoic acid | | | | |
| 1212089-23-0 | | (3S,4S)-4-ethoxy-1-methyl-3-pyrrolidinamine dihydrochloride | | | | |
| 1212089-56-9 | 2-氨基-3a,6a-二甲基六氢-1,4-甲醇环戊[c]吡咯-1(2h)-甲酰胺 | 2-amino-3a,6a-dimethylhexahydro-1,4-methanocyclopenta[c]pyrrole-1(2h)-carboxamide | | | | |
| 1212091-63-8 | | 6-[(sec-butylamino)carbonyl]-3-cyclohexene-1-carboxylic acid | | | | |
| 1212094-22-8 | | [trans-4-(1-piperidinyl)tetrahydro-3-furanyl]amine | | | | |
| 1212099-46-1 | | 1-[4-(dimethylamino)phenyl]octahydro-4a(2h)-isoquinolinol hydrochloride | | | | |
| 12121-86-7 | | bis(methylammonium)tetrachloromanganate(II) | C2H12Cl4MnN2 | 260.88 | | |
| 12121-90-3 | | manganese carbide (mn3c) | | | | |
| 121210-80-8 | | sk 31694 | | | | |
| 1212102-71-0 | | trans (+/-) 1-[(tert-butyl)oxycarbonyl]-4-(2-chlorophenyl)pyrrolidine-3-carboxylic acid | | | | |
| 1212103-66-6 | | trans-4-methoxy-1-methyl-3-pyrrolidinamine dihydrochloride | | | | |
| 1212105-25-3 | 外-3-氮杂双环[3.1.0]己烷-6-羧酸盐酸盐 | exo-3-azabicyclo[3.1.0]hexane-6-carboxylic acid hydrochloride | | | | |
| 1212106-36-9 | | trans (+/-) 3-amino-4-(4-methylphenyl)pyrrolidine-1-carboxylic acid tert-butyl ester | | | | |
| 1212111-82-4 | | n-benzyl-l-aspartic acid 4-tert-butyl ester | | | | |
| 1212115-75-7 | 反式-4-(三氟甲基)吡咯烷-3-甲酸甲酯盐酸盐 | methyl trans-4-(trifluoromethyl)pyrrolidine-3-carboxylate hydrochloride | | | | |
| 1212117-73-1 | -3-溴-2-甲基-2-(苯基氨基)丙酸 | (R)-3-bromo-2-methyl-2-(phenylamino)propanoic acid | | | | |
| 121212-38-2 | | cashew, nutshell liq., polymer with epichlorohydrin, epoxidized | | | | |
| 121212-39-3 | | 2-propenoic acid, ethyl ester, polymer with diethenylbenzene, 2-ethenylpyridine | | | | |
| 121212-40-6 | | -propanediamine and n,n-dimethyl-1,3-propanediamine, chloromethane-quaternized | | | | |
| 121212-42-8 | | ar-ethenyl-n,n,n-trimethyl-benzenemethanaminiu polymer with diethenylbenzen | | | | |
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