| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 20271-20-9 | 5-硝基咪唑-4-甲酸甲酯 | methyl 5-nitroimidazole-4-carboxylate | | | | |
| 20271-33-4 | | 1h-1,2,3-triazole-4-carboxylic acid, 5-amino-1-(phenylmethyl)-, ethyl ester | | | | |
| 20271-75-4 | | 1-p-(2-Dimethylaminocthoxyphenyl)-1,2-cis-diphenylbut-1-enehydrobromide | C26H30BrNO | 452.43 | | |
| 20272-08-6 | | 5-cyclohexyl-1-phenyl-barbituric aci | | | | |
| 20272-11-1 | | Selenious acid(D2SeO3)cesium salt(2:1) | CsD3O6Se2 | 392.86 | | |
| 20272-67-7 | | Arsenic,tribenzyldifluoro- | C21H21AsF2 | 386.31 | | |
| 20273-24-9 | | 2-penten-1-ol | C5H10O | 86.13 | | |
| 20273-42-1 | | 9-((2-morpholinoethyl)amino)-acridin | | | | |
| 20273-74-9 | | alpha-(4-nitrobenzyl)benzyl alcohol | | | | |
| 202737-28-8 | 1-(1,3-苯并二噁茂-5-基)环丁烷甲酸 | 1-(1,3-benzodioxol-5-yl)cyclobutanecarboxylic acid | | | | |
| 202737-32-4 | | 1-(3-methylphenyl)cyclobutanecarboxylic acid | | | | |
| 202737-33-5 | | 1-(thiophen-2-yl)cyclobutanecarboxylic acid | | | | |
| 202737-37-9 | | 2-phenylspiro[3.3]heptane-2-carboxylic acid | | | | |
| 202737-42-6 | 1-(4-硝基苯基)环丁烷甲酸 | 1-(4-nitrophenyl)cyclobutanecarboxylic acid | | | | |
| 202737-46-0 | | 1-(2-thienyl)cyclopentanecarboxylic acid | | | | |
| 20274-69-5 | 4-氟-3-硝基苯甲醇 | 4-fluoro-3-nitrobenzyl alcohol | | | 39-44℃ | |
| 20274-70-8 | 4-(氯甲基)-1-氟-2-硝基苯 | 4-(chloromethyl)-1-fluoro-2-nitrobenzene | | | | |
| 20274-89-9 | | glycylglycyl-l-valine | C9H17N3O4 | 231.25 | | |
| 20274-94-6 | | 4-methylphenyl-beta-d-glucopyranosid | | | | |
| 202745-73-1 | 1-甲基-6-吲哚甲酸 | 1-methyl-6-indolecarboxylic acid | | | | |
| 202746-50-7 | | tri-p-tolyl-borane, compound with 5-methyl-2-phenyl-2h-pyrazol-3-ylamine | | | | |
| 2027496-50-8 | 6-(2-甲氧基-2-氧代乙氧基)-3-吡啶硼酸频哪醇酯 | 6-(2-methoxy-2-oxoethoxy)-3-pyridineboronic acid pinacol ester | | | | |
| 20275-18-7 | | (2S,4R)-4-hydroxy-1-[(4-methylphenyl)sulfonyl]-2-pyrrolidinecarboxylic acid | | | | |
| 20275-19-8 | | 1,1'-(p',p'-biphenylylenebis(carbonylmethyl))di-2-picoliniu dibromide | | | | |
| 20275-20-1 | | piperidinium, 1,1'-(4,4'-biphenylylenebis(carbonylmethylene))bis(4-hydroxy-1-me | | | | |
| 202751-94-8 | | n-fmoc-(R)-1-mercapto-2-propanamine | | | | |
| 202751-95-9 | | fmoc-d-alaninol | | | | |
| 202752-04-3 | 4'-甲氧基联苯-4-磺酰氯 | 4'-methoxybiphenyl-4-sulfonyl chloride | | | | |
| 202753-56-8 | 2-(4-溴-1h-吲哚-3-基)乙醇 | 2-(4-bromo-1h-indol-3-yl)ethanol | | | | |
| 2027543-00-4 | | 1,3-dimethyl-5-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl]barbituric acid | | | | |
| 20276-83-9 | | prothidathion | | | | |
| 20277-02-5 | | 2-(4-hydroxyphenyl)acetohydrazide | | | | |
| 20277-22-9 | | 1-fluorobicyclo[2.2.2]octane | C8H13F | 128.19 | | |
| 20277-69-4 | 甲烷亚磺酸钠 | sodium methanesulfinate | | | | |
| 20278-84-6 | | heptane,2,4,5-trimethyl- | C10H22 | 142.28 | | |
| 20278-85-7 | | heptane,2,3,5-trimethyl- | C10H22 | 142.28 | | |
| 20278-87-9 | | 3,3,4-trimethyl-heptane | C10H22 | 142.28 | | |
| 20278-88-0 | | 3,4,4-trimethyl-heptane | C10H22 | 142.28 | | |
| 20278-89-1 | | 3,4,5-trimethyl-heptan | C10H22 | 142.28 | | |
| 20279-06-5 | 高二氢辣椒素 i | homodihydrocapsaicin i | | | | |
| 20279-21-4 | | 1,2,3,10b-tetrahydro-fluoranthene | C16H14 | 206.28 | | |
| 20279-25-8 | | 1,7,7-trimethyl-bicyclo[2.2.1]heptan-2-o propanoate | C13H22O2 | 210.31 | | |
| 20279-29-2 | 异丁酸苯酯 | phenyl isobutyrate | | | | |
| 20279-40-7 | | butanedioic acid, mono(2-methylpropyl) ester | | | | |
| 20279-44-1 | 丙酮酸丁酯 | Butyl pyruvate | C7H12O3 | | | |
| 20279-49-6 | | 4-oxo-pentanoic aci pentyl ester | C10H18O3 | 186.25 | | |
| 20279-51-0 | | 2-hydroxy-propanoic aci hexyl ester | C9H18O3 | 174.24 | | |
| 20279-53-2 | | furan-2-carboxylic acid isobutyl ester | C9H12O3 | 168.19 | | |
| 20279-69-0 | | dimethyldithio-carbamic aci calcium salt | | | | |
| 202796-41-6 | | j113863, cis isomer | | | | |
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