| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 426844-31-7 | O1-tert-butyl O2-methyl (2S,4R)-4-methoxypyrrolidine-1,2-dicarboxylate | | C12H21NO5 | 259.298 | | |
| 426844-50-0 | n-boc-4,4-二氟-l-脯氨酰胺 | n-boc-4,4-difluoro-l-prolinamide | C10H16F2N2O3 | 250.24 | | 372.8°C at 760 mmHg |
| 426844-51-1 | 4,4-二氟-l-脯氨酰胺 盐酸盐 | 4,4-difluoro-l-prolinamide hydrochloride | C5H9ClF2N2O | 186.59 | 221-226 °C | |
| 426844-76-0 | 1-boc-(2S,4S)-2-氰-4-氟吡咯烷 | 1-boc-(2S,4S)-2-cyano-4-fluoropyrrolidine | C10H15FN2O2 | 214.24 | | |
| 426844-77-1 | (2S,4S)-4-氟吡咯烷-2-甲腈盐酸盐 | (2S,4S)-4-fluoropyrrolidine-2-carbonitrile hydrochloride | C5H8ClFN2 | 150.58 | | |
| 4269-15-2 | | 9H-Fluoren-9-one,4-amino- | C13H9NO | 195.22 | | |
| 4269-16-3 | | 4-Methoxy-fluoren-9-one | C14H10O2 | 210.23 | | |
| 4269-17-4 | 4-溴芴-9-酮 | 4-bromofluoren-9-one | C13H7BrO | 259.1 | | |
| 4269-19-6 | | methyl 9-oxo-9H-fluorene-4-carboxylate | C15H10O3 | | | |
| 4269-20-9 | | 4-cyano-9-fluorenone | C14H7NO | 205.21 | 243-245℃ | |
| 4269-31-2 | 3-氯-n-乙基丙酰胺 | 3-chloro-n-ethylpropanamide | C5H10ClNO | 135.5920 | | |
| 4269-86-7 | | 1-(2-(diphenylamino)ethyl)-1-methyl-piperidiniu bromide | | | | |
| 4269-87-8 | | 1-(2-(n-cyclohexylanilino)ethyl)-1-methyl-piperidiniu bromide | | | | |
| 4269-88-9 | | 1-(2-(dicyclohexylamino)ethyl)-1-methyl-piperidiniu bromide | | | | |
| 4269-94-7 | | 6-iodouracil | C4H3IN2O2 | 237.98 | | |
| 4269-97-0 | | S-ISOPROPYLTHIOUREA HYDROBROMIDE | | | | |
| 4269-98-1 | | 2-butyl-2-thiopseudourea hydrobromide | | | | |
| 4269-99-2 | | [(2-methylpropyl)sulfanyl]methanimidamide hydrobromide | | | | |
| 427-00-9 | | 4,5-alpha-epoxy-17-methyl-morphinan-3-o | | | | |
| 427-01-0 | | corynan-17-oic acid, 19,20-didehydro-16-((10-beta,13-beta,21-beta)-23-deoxy-21, | | | | |
| 427-18-9 | | 5-(p-chlorophenyl)-5-ethyl-barbituric aci | | | | |
| 427-24-7 | | 2-fluorotriphenylmethanol | | | | |
| 427-28-1 | | (25R)-3-beta-hydroxyspirost-5-en-12-one | | | | |
| 427-36-1 | | 1,1',1''-(fluoromethylidyne)tris-benzen | | | | |
| 427-45-2 | | fluorotris(p-chlorophenyl)-stannan | | | | |
| 427-49-6 | | alpha-cyclopentylmandelic acid | C13H16O3 | 220.26 | | |
| 427-51-0 | 环丙氯地孕酮 | 6)-pregnadiene-17-alpha-ol-3,20-dione 17-2-alpha-methylene-6-chloro-(sup 4 | C24H29ClO4 | 416.94 | 200-201ºC | 525.9ºC |
| 427-63-4 | (+)-Geodin | | C17H12Cl2O7 | 399.2 | | |
| 427-78-1 | | gibberic acid | C18H20O3 | 284.35 | | |
| 427-98-5 | | 3-(3-(2,3-dimethyl-1-phenethyl)piperidyl)-pheno hydrobromide | | | | |
| 4270-00-2 | | carbamimidothioic acid, pentyl ester, monohydrobromide | | | | |
| 4270-01-3 | | (hexylsulfanyl)methanimidamide hydrobromide | | | | |
| 4270-02-4 | | 2-heptyl-2-thio-pseudoure hydrobromide | | | | |
| 4270-04-6 | | 2-decyl-2-thio-pseudoure hydrobromide | | | | |
| 4270-27-3 | | 2,4-Pyrimidinediol,6-chloro- | C4H3ClN2O2 | 146.53 | 290-295°C | 300°C |
| 4270-38-6 | | 3-[(4-ethoxyphenyl)amino]-3-oxopropanoic acid | | | | |
| 4270-70-6 | 三苯基氯化锍 | triphenylsulfur chloride | C18H15ClS | 298.84 | | |
| 42709-87-5 | 萘并[2,3-b]呋喃-3(2h)-酮 | naphtho[2,3-b]furan-3(2h)-one | | | | |
| 4271-09-4 | | 2,2'-bibenzothiazole | | | | |
| 4271-13-0 | | methylphenylphosphinic acid | C7H9O2P | 156.12 | 132-134℃ | |
| 4271-27-6 | | dodecyldiethylamine | | | | |
| 4271-28-7 | | n-acetyl-d-glucosaminitol | C8H17NO6 | 223.22 | | |
| 4271-30-1 | N-对氨基苯甲酰-L-谷氨酸 | 4-aminobenzoylglutamic acid | C12H14N2O5 | 266.25 | ~175 °C (dec.) | |
| 4271-86-7 | 12-氨基十二烷酸甲酯盐酸盐 | Methyl 12-aminododecanoate hydrochloride | C13H28ClNO2 | 265.8199 | | |
| 4271-90-3 | N-(2-氰乙基)-N-甲基乙酰胺 | N-(2-Cyanoethyl)-N-methylacetamide | C6H10N2O | 126.16 | | |
| 4271-95-8 | | 2-amino-6-fluoro-4-methoxybenzonitrile | | | | |
| 4271-96-9 | 1,4,5,6-四氢-1,2-二甲基嘧啶 | Pyrimidine,1,4,5,6-tetrahydro-1,2-dimethyl- | C6H12N2 | 112.17 | | |
| 4271-99-2 | | aconiticacidtrimethylester | C9H12O6 | 216.19 | | 160°C/20mmHg(lit.) |
| 42710-39-4 | | 2-methyl-1,3-dioxo-2,3-dihydro-1 h -isoindole-5-carboxylic acid | | | | |
| 42711-75-1 | | 3-hydroxyadamantane-1-carboxylic acid | C11H16O3 | 196.24 | 203 °C | |
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