| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 201937-23-7 | 6-氯烟酰胺盐酸盐 | 6-chloronicotinimidamide hydrochloride | | | | |
| 201937-26-0 | | 6-chloronicotinimidamide | | | | |
| 20194-18-7 | | sodium benzyloxide solution | | | | |
| 20194-45-0 | | 10-methyl-undecan-1-ol | C12H26O | 186.33 | | |
| 20194-46-1 | | 11-Methyl-1-tridecanol | C14H30O | 214.39 | | |
| 20194-70-1 | 1-(四氢-4-甲基-2H-吡喃-2-基)-2-丙酮 | 1-(tetrahydro-4-methyl-2H-pyran-2-yl)-2-Propanone | C9H16O2 | | | |
| 20194-81-4 | | ammonium, (2-mercaptoethyl)triethyl-, s-ester with o,o-diethylphosphorothioate | | | | |
| 201940-08-1 | n-boc-5-溴异吲哚啉 | n-boc-5-bromoisoindoline | | | | |
| 201941-08-4 | | carbamic acid, (2-(heptyloxy)phenyl)methyl-, 2-(1-piperidinyl)ethyl ester, mono | | | | |
| 201941-11-9 | | carbamic acid, ethyl(2-(heptyloxy)phenyl)-, 2-(1-piperidinyl)ethyl ester, monoh | | | | |
| 201941-14-2 | | carbamic acid, (2-(heptyloxy)phenyl)propyl-, 2-(1-piperidinyl)ethyl ester, mono | | | | |
| 201941-16-4 | | carbamic acid, butyl(2-(heptyloxy)phenyl)-, 2-(1-piperidinyl)ethyl ester, monoh | | | | |
| 201942-90-7 | | (R)-2-(2-hydroxyphenyl)thiazolidine-4-carboxylic acid | | | | |
| 201942-94-1 | | (R)-2-thiophen-2-ylthiazolidine-4-carboxylic acid | | | | |
| 201943-63-7 | | ly341495 | | | | |
| 20195-06-6 | | phosphorothioic acid, o,o-diethyl s-propyl ester | | | | |
| 20195-07-7 | | phosphorothioic acid, s-butyl o,o-diethyl ester | | | | |
| 20195-08-8 | | phosphoric acid, diethyl pentyl ester | C9H21O4P | 224.23 | | |
| 20195-12-4 | | phosphorothioic acid, o,o-diethyl s-heptyl ester | | | | |
| 20195-13-5 | | phosphoric acid, diethyl octyl ester | C12H27O4P | 266.31 | | |
| 20195-14-6 | | phosphorothioic acid, o,o-diethyl s-octyl ester | | | | |
| 20195-16-8 | | phosphoric acid decyl ester diethyl ester | C14H31O4P | 294.37 | | |
| 20195-20-4 | | 3',4'-dihydroxy-2-(hexahydro-1h-azepin-1-yl)-acetophenon | | | | |
| 20195-22-6 | | 2,4-dinitrobenzoyl chloride | | | | |
| 20195-23-7 | 辛酸铬 | Octanoic acid, chromium salt | C8H16O2·xCr | | | |
| 20196-21-8 | | 3-thiomorpholinone | | | | |
| 20196-71-8 | | (S)-(-)-1,2-di-o-benzylglycerol | .4 | | | 153℃(0.4 |
| 20196-89-8 | 山奈酚-7-o-鼠李糖苷 | kaempferol 7-o-rhamnoside | | | | |
| 20197-00-6 | | N-Methylbisdeoxocycloshowdomycin acetonide hydrobromide | C13H22BrNO4 | 336.22 | | |
| 20197-09-5 | | plus-octopinic acid | C8H16N2O4 | 204.22 | | |
| 20197-71-1 | | methyl 2-amino-4,5-diethoxybenzoate | | | | |
| 20197-72-2 | 2-氨基-4,5-二乙氧基苯甲酸 | 2-amino-4,5-diethoxybenzoic acid | | | | |
| 20197-75-5 | 1,4-苯并二噁烷-6-甲酸甲酯 | methyl 1,4-benzodioxan-6-carboxylate | | | | |
| 20197-76-6 | | 7-amino-2,3-dihydro-benzo[1,4]dioxine-6-carboxylic acid methyl ester | | | | |
| 20197-80-2 | | 6,7-diethoxy-2,4(1h,3h)-quinazolinedione | | | | |
| 20197-87-9 | 2,6-二氯-4-羟基喹唑啉 | 2,6-dichloroquinazolin-4(3h)-one | | | | |
| 20197-88-0 | | 6,7-dimethoxy-3-methylquinazoline-2,4(1h,3h)-dione | | | | |
| 20197-92-6 | 4,5-二甲氧基靛红酸酐 | 6,7-dimethoxy-1h-benzo[d][1,3]oxazine-2,4-dione | | | | |
| 20197-98-2 | 2-氯-7-甲氧基喹唑啉-4(3h)-酮 | 2-chloro-7-methoxyquinazolin-4(3h)-one | | | | |
| 20197-99-3 | | 2-chloro-8-methoxyquinazolin-4(3h)-one | | | | |
| 20198-19-0 | | 2-amino-3h-quinazolin-4-one | | | | |
| 20198-49-6 | | 4-methyl-2-hexyne | C7H12 | 96.17 | | |
| 20198-77-0 | | 2,3-dichloro-n-ethyl-maleimid | | | | |
| 20198-87-2 | | n-octadecyl-benzenemethanamin | | | | |
| 201985-01-5 | | b-alanine b-naphthylamide hydrobromide | | | | |
| 201988-47-8 | | bz-ala-betana | | | | |
| 201988-71-8 | | h-cit-bna . hbr | C16H20N4O2.HBr | 381.27 | | |
| 201989-32-4 | | 3-(2-HYDROXYETHYLAMINO)-5,5-DIMETHYL-2-CYCLOHEXEN-1-ONE | | | | |
| 20199-04-6 | | thio-benzamid s-oxide | | | | |
| 20199-19-3 | | 9-(9-anthrylethynyl)anthracene | | | | |
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