| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 1212-99-3 | | 3-(n,n-dimethylglycyl)-1,8,8-trimethyl-3-azabicyclo(3.2.1)octan | | | | |
| 12120-10-4 | | 4,4'-Biphenylylenebis[diphenylmethylium] bis[hexachloroantimonate(1-)] | C38H28Cl12Sb2 | 1153.56 | | |
| 12120-15-9 | | ethylenebis(triphenylphosphine)platinum(0) | C38H34P2Pt | 747.70 | 129-132 °C(lit.) | |
| 1212007-08-3 | | (2e)-n-(sec-butyl)-2-buten-1-amine hydrochloride | | | | |
| 1212008-99-5 | umicore催化剂 m71 sipr | umicore m71 sipr | C39H50N3Cl2F3O2Ru | 821.80 | >300 °C | |
| 1212009-05-6 | | hoveyda-grubbs catalyst® m731 | C42H59Cl2N3O3Ru | 825.91 | | |
| 1212009-08-9 | | dichloro[1,3-bis(2,6-diisopropylphenyl)imidazolidin-2-ylidene][(5-(2-ethoxy-2-oxoethanamido))-(2-isopropoxy)benzylidene]ruthenium(ii) | | | | |
| 1212010-85-9 | 2′-amino-6-bromo-1′,2,2-trimethylspiro[chroman-4,4′-imidazol]-5′(1′H)-one | | C14H16BrN3O2 | 338.2 | | 452.0±55.0℃(Predicted) |
| 1212012-37-7 | 磺基-N-琥珀酰亚胺基油酸酯钠 | | C22H36NNaO7S | 481.58 | | |
| 1212021-11-8 | | 3-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile | C13H15BClNO2 | 263.53 | | 361.1±32.0℃ at 760 mmHg |
| 1212021-22-1 | (2-氧杂双环[2.2.2]辛-4-基)4-甲基苯磺酸甲酯 | 2-Oxabicyclo[2.2.2]octan-4-ylmethyl 4-methylbenzenesulfonate | C15H20O4S | 296.38 | | 434.1±18.0 °C(Predicted) |
| 1212021-23-2 | 2-氧杂二环[2.2.2]辛烷-4-甲醛 | 2-oxabicyclo[2.2.2]octane-4-carbaldehyde | | | | |
| 1212021-54-9 | (3,5-二氰基苯基)硼酸 | (3,5-Dicyanophenyl)boronic acid | C8H5BN2O2 | 171.95 | | |
| 1212021-55-0 | 3-溴-4-三氟甲基苯腈 | 3-bromo-4-(trifluoromethyl)benzonitrile | C8H3F3BrN | 250.02 | | |
| 1212021-62-9 | 3-氰基-5-(三氟甲基)苯硼酸 | 3-cyano-5-(trifluoromethyl)benzeneboronic acid | C8H5BF3NO2 | 214.94 | | |
| 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 | C7H12ClNO2 | 177.63 | | |
| 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 | C10H14ClN | 183.68 | | |
| 1212064-22-6 | tert-butyl N-[trans-2-aminocyclopropyl]carbamate;hydrochloride | | C8H16N2O2.HCl | 208.6851 | | |
| 1212067-49-6 | rel-(3aR,6aR)-六氢环戊二烯并[c]吡咯-3a(1H)-羧酸 | rel-(3aR,6aR)-Hexahydrocyclopenta[c]pyrrole-3a(1H)-carboxylic acid | C8H13NO2 | 155.19 | | 293.6±23.0 °C(Predicted) |
| 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) | C14H17BF2N2 | 262.11 | 257°C | |
| 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 | C8H9F2N | 157.16 | | |
| 1212076-16-8 | | trans (+/-)-tert-butyl 1-benzyl-4-(4-chlorophenyl) pyrrolidin-3-ylcarbamate | | | | |
| 1212086-74-2 | (R)-2-(叔丁氧基羰基)异二氢吲哚-1-羧酸 | (R)-2-(tert-butoxycarbonyl)isoindoline-1-carboxylicacid | C14H17NO4 | 263.29 | | |
| 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 | | | | |
| 12121-29-8 | 三[4,4,4-三氟-1-(2-噻吩基)-1,3-丁二酮]双(氧化三苯基膦)铕 | Tris[4,4,4-trifluoro-1-(2-thienyl)-1,3-butanedionato]bis(triphenylphosphine oxide)europium | C60H42EuF9O8P2S3 | 1372.06 | 248-251 °C | |
| 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 | C16H20ClNO4 | 325.79 | | |
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