| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 1988-11-0 | 丙泊酚杂质j | propofol impurity j | | | | |
| 1988-35-8 | | 4-(1-Ethyl-1-methylpentyl)phenol | C14H22O | 206.32 | | |
| 1988-75-6 | | 4-bromo-2,4,6-tri-tert-butyl-2,5-cyclohexadienone | C18H29BrO | 341.33 | | |
| 1988-88-1 | | 3,5-di(tert-butyl)-4-hydroxybenzonitrile | C15H21NO | | | |
| 1988-89-2 | | p-(alpha-methylbenzyl)-pheno | C14H14O | 198.26 | | |
| 19881-18-6 | 硝硫氰醚 | isothiocyanic acid, p-(p-nitrophenoxy)phenyl ester | C13H8N2O3S | 272.27 | | |
| 19881-34-6 | | 2-(p-tolyloxy)-triethylamin | | | | |
| 19881-49-3 | | Thieno[3,4-d]thiepin 6,6-dioxide | C8H6O2S2 | 198.26 | | |
| 19881-53-9 | dl-苯丙氨酸乙酯盐酸盐 | h-dl-phe-oet.hcl | | | | |
| 19881-70-0 | | windorphen | | | | |
| 19881-90-4 | | dl-1-propano | | | | |
| 19881-95-9 | | b-amino-3,4-dimethoxybenzenepropanol | | | | |
| 19882-03-2 | | 5(10)-triene-3,16-alpha,17-beta-triol, 13-ethyl-gona-3 | | | | |
| 198821-22-6 | | merimepodib | | | | |
| 198821-77-1 | (2-甲氧基-4-硝基苯基)二乙酸甲二醇酯 | (2-methoxy-4-nitrophenyl)methylene diacetate | | | | |
| 198821-78-2 | | 5-(2-methoxy-4-nitrophenyl)oxazole | | | | |
| 198821-79-3 | | 3-methoxy-4-(5-oxazolyl)aniline | | | | |
| 198823-38-0 | | tert-butyl 4-[3-(3-cyanophenyl)ureido]piperidine-1-carboxylate | | | | |
| 198828-72-7 | | z-d-tyr(tbu)-oh . dcha | C21H25NO5.C12H23N | 552.75 | | |
| 198828-94-3 | | z-allo-thr(tbu)-oh . dcha | C16H23NO5.C12H23N | 490.68 | | |
| 19883-41-1 | d-(-)-α-苯甘氨酸甲酯.盐酸盐 | d-(-)-2-phenylglycine methyl ester hydrochloride | | | | |
| 19883-57-9 | L-4-氟苯甘氨酸 | (S)-4-fluorophenylglycine | C8H8FNO2 | 169.15 | 300℃ | |
| 19883-74-0 | 3-硝基-l-苯丙氨酸 | 3-nitro-l-phenylalanine | | | | |
| 19883-75-1 | l-2-硝基苯丙氨酸 | h-phe(2-no2)-oh | | | | |
| 19883-77-3 | L-3-氟苯丙氨酸 | l-3-fluorophenylalanine | C9H10FNO2 | 183.18 | | |
| 19883-78-4 | L-2-氟苯丙氨酸 | 2-fluoro-l-phenylalanine | C9H10FNO2 | 183.18 | | |
| 198835-01-7 | (1S,4R,6S)-6-羟基-2-氮杂双环[2.2.1]庚烷-2-羧酸叔丁酯 | (1S,4R,6S)-tert-butyl 6-hydroxy-2-azabicyclo[2.2.1]heptane-2-carboxylate | | | | |
| 198835-02-8 | rel-叔丁基(1R,4S,6R)-6-羟基-2-氮杂双环[2.2.1]庚烷-2-羧酸酯 | rel-tert-butyl (1R,4S,6R)-6-hydroxy-2-azabicyclo[2.2.1]heptane-2-carboxylate | | | | |
| 198835-03-9 | | rel-tert-butyl (1S,4S,5R)-5-hydroxy-2-azabicyclo[2.2.1]heptane-2-carboxylate | | | | |
| 198835-04-0 | 6-氧代-2-氮杂双环[2.2.1]庚烷-2-羧酸叔丁酯 | tert-butyl 6-oxo-2-azabicyclo[2.2.1]heptane-2-carboxylate | | | | |
| 198835-05-1 | (1R,4S,6S)-rel-叔丁基6-羟基-2-氮杂双环[2.2.1]庚烷-2-羧酸酯 | (1R,4S,6S)-rel-tert-butyl 6-hydroxy-2-azabicyclo[2.2.1]heptane-2-carboxylate | | | | |
| 198835-06-2 | 5-氧代-2-氮杂双环[2.2.1]庚烷-2-甲酸叔丁酯 | tert-butyl 5-oxo-2-azabicyclo[2.2.1]heptane-2-carboxylate | | | | |
| 198835-07-3 | (1R,4R,5R)-rel-叔丁基5-羟基-2-氮杂双环[2.2.1]庚烷-2-羧酸酯 | (1R,4R,5R)-rel-tert-butyl 5-hydroxy-2-azabicyclo[2.2.1]heptane-2-carboxylate | | | | |
| 19885-10-0 | 泽泻醇 a | alisol a | | | | |
| 19885-51-9 | | 8h,16h-7a,15a-epidithio-7h,15h-bisoxepino(3',4':4,5)pyrrolo(1,2-a:1',2'-d) pyra | C18H16N2O6S2 | 420.46 | | |
| 19885-52-0 | | 8h,15h-epidithio-7h,14h-oxepino(3'',4'':4',5')pyrrolo(1,2':4,5)pyrazino(1, 2-a) | | | | |
| 19885-60-0 | 顺式-3,7-二氮杂双环[3.3.0]辛烷 | cis-3,7-diazabicyclo[3.3.0]octane | | | | |
| 19885-67-7 | | (E)-N-Ethylidenemethylamine | C3H7N | 57.09 | | |
| 19886-64-7 | | 5-beta,14-beta-pregnan-20-one, 3-beta,5,14,19,21-pentahydroxy-, 3,19-diacetate | | | | |
| 19886-65-8 | | 5-beta,14-beta-pregnan-20-one, 3-beta,5,14,19,21-pentahydroxy-, 3,19,21-triacet | | | | |
| 19886-78-3 | | 2-[(dimethylamino)methyl]benzaldehyde | | | | |
| 19887-32-2 | | n-ethoxycarbonyl-l-phenylalanine | | | 78-82℃ | |
| 19887-85-5 | | o-nitrophenyl-a-d-galactopyranoside | C12H15NO8 | 301.25 | | |
| 1988717-99-2 | | bno-peg8-ch2cooh | | | | |
| 198878-42-1 | 喹啉 n-氧化物 水合物 | | | | | |
| 1988789-96-3 | | n-cyano-4-methoxy-picolinimidamide | | | | |
| 198879-14-0 | n-(4-乙基苯)-2,4,6-三甲基苯磺酰胺 | n-(4-ethylphenyl)-2,4,6-trimethylbenzenesulfonamide | | | | |
| 198879-69-5 | 3,4-二甲基-n-(4-氟苯亚甲基)苯胺 | 3,4-dimethyl-n-(4-fluorobenzylidene)aniline | | | | |
| 198879-71-9 | | 4-(3-fluorobenzyl)morpholine | | | | |
| 198879-85-5 | 2-氟-n-(2-甲基苯基)苯甲酰胺 | 2-fluoro-n-(2-methylphenyl)benzamide | | | | |
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