| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 21905-86-2 | | cinnoline-4-carboxylic acid | C9H6N2O2 | 174.16 | 175℃ | 423.7°C |
| 2190502-57-7 | ARN19874 | | C19H14N4O4S | 394.4 | | |
| 2190503-76-3 | rel-(E)-5-((2R,3S)-3-乙基环氧乙烷-2-基)戊-2-烯醛 | rel-(E)-5-((2R,3S)-3-Ethyloxiran-2-yl)pent-2-enal | C9H14O2 | 154.21 | | |
| 2190515-08-1 | 苄基7-羟基-5,6-二氢咪唑并[1,2-a]吡啶-8-羧酸酯 | benzyl 7-hydroxy-5,6-dihydroimidazo[1,2-a]pyridine-8-carboxylate | | | | |
| 2190515-50-3 | 6-(苄氧基)吡唑并[1,5-a]吡啶 | 6-(benzyloxy)pyrazolo[1,5-a]pyridine | | | | |
| 2190522-29-1 | 1-氯-4-(二氟甲基)-2-氟-3-碘苯 | 1-Chloro-4-(difluoromethyl)-2-fluoro-3-iodo-benzene | C7H3ClF3I | 306.4514 | | 257.6±40.0 °C(Predicted) |
| 2190524-46-8 | 6-(苄氧基)吡唑并[1,5-a]吡啶-7-羧酸 | 6-(benzyloxy)pyrazolo[1,5-a]pyridine-7-carboxylic acid | | | | |
| 2190524-60-6 | 6-(苄氧基)-[1,2,4]三唑并[1,5-a]吡啶 | 6-(benzyloxy)-[1,2,4]triazolo[1,5-a]pyridine | | | | |
| 21906-17-2 | | alpha,beta-dimethyl-phenethylamin | | | | |
| 21906-31-0 | | 2-bromophenylacetone | C9H9BrO | 213.07 | | |
| 21906-32-1 | | 3-bromophenylacetone | C9H9BrO | 213.07 | | |
| 21906-34-3 | 1-(2-Iodophenyl)propan-2-one | | C9H9IO | 260.07 | | |
| 21906-36-5 | 1-(4-碘苯基)丙-2-酮 | 1-(4-Iodophenyl)propan-2-one | C9H9IO | 260.0716 | | |
| 21906-39-8 | 3-三氟甲基苯丙酮 | 1-(α,α,α-Trifluoro-m-tolyl)-2-propanone | C10H9F3O | 202.18 | | 89-90℃(0 |
| 21906-90-1 | | 4-diazo-n,n-diethylaniline | | | | |
| 21906-97-8 | | calcium phthalate | | | | |
| 2190680-18-1 | 3-(4-(甲磺酰基)哌嗪-1-基)苯并[d]异噻唑 | 3-(4-(Methylsulfonyl)piperazin-1-yl)benzo[d]isothiazole | C12H15N3O2S2 | 297.4 | | |
| 21907-47-1 | | zinc trifluoroacetate hydrate | C2HF3O2 | 114.02 | | |
| 21907-50-6 | | cesium trifluoroacetate | C2CsF3O2 | 245.92 | 115°C | |
| 21907-94-8 | | thio-acetic aci s-((3-hydroxy-4-(hydroxymethyl)-2-methyl-5-pyridyl)methyl) | | | | |
| 21908-07-6 | 2-甲酰基烟酸乙酯 | Ethyl 2-formylnicotinate | C9H9NO3 | 179.17 | | |
| 21908-08-7 | 2-甲酰基吡啶-4-羧酸乙酯 | ethyl 2-formylisonicotinate | C9H9NO3 | 179.17 | | |
| 21908-10-1 | 6-甲醛-吡啶-2-甲酸乙酯 | ethyl 6-formylpicolinate | C9H9NO3 | 179.17 | | 308.7±27.0 °C(Predicted) |
| 21908-11-2 | Ethyl 5-formylnicotinate | | C9H9NO3 | 179.17 | | |
| 21908-12-3 | 4-甲酰基烟酸乙酯 | ethyl 4-formylnicotinate | C9H9NO3 | 179.17 | | |
| 21908-13-4 | 3-醛基异烟酸乙酯 | Ethyl 3-formylisonicotinate | C9H9NO3 | 179.17 | | |
| 21908-14-5 | 4-(乙氧基羰基)吡啶-2-甲酸 | 4-(Ethoxycarbonyl)picolinic acid | C9H9NO4 | 195.172 | | 373.0±27.0 °C(Predicted) |
| 21908-15-6 | | 4'-(bis(2-chloroethyl)amino)-picolinanilid | | | | |
| 21908-16-7 | | 4'-(bis(2-chloroethyl)amino)-nicotinanilid | | | | |
| 21908-17-8 | | 4'-(bis(2-chloroethyl)amino)-isonicotinanilid | | | | |
| 21908-53-2 | 一氧化汞 | mercuric oxide,[solid] | HgO | 216.59 | | |
| 21908-89-4 | | (2-chloro-9h-thioxanthen-9-yl)acetic acid | | | | |
| 21909-49-9 | | ethyl 2-methyl-3-indoleacetate | C13H15NO2 | 217.2637 | | 195℃(3.5 |
| 21909-52-4 | | 5-methylindole-3-acetic acid hydrazide | C11H13N3O | 203.24 | | |
| 2191-10-8 | | octanoic acid, cadmium salt (2:1) | | | | |
| 2191-38-0 | | Selenium bis(diethyldiselenophosphinate) | C8H20P2Se5 | 572.99 | | |
| 2191-67-5 | | cyclooctylurea | | | | |
| 21911-61-5 | | n-(2-methylphenyl)glycine | C9H11NO2 | 165.19 | | |
| 21911-66-0 | | ethyl 3-toluidinoacetate | | | | |
| 21911-67-1 | | [(3-methylphenyl)amino]acetic acid | | | | |
| 21911-68-2 | | ethyl [(4-methylphenyl)amino]acetate | | | | |
| 21911-69-3 | | n-(4-methylphenyl)glycine | C9H11NO2 | 165.18 | | |
| 21911-75-1 | n-苯基-n-甲基甘氨酸盐酸盐 | 2-(methyl(phenyl)amino)acetic acid hydrochloride | C9H12ClNO2 | 201.65 | | 311.6°C |
| 21911-84-2 | n-苯基-beta-丙氨酸甲酯 | n-phenyl-beta-alanine methyl ester | C10H13NO2 | 179.22 | | 308.3°C |
| 21911-93-3 | | 6-chloro-4-phenyl-2-(4-pyridinyl)quinoline | | | | |
| 21912-09-4 | | hexahydro-1-(3,4,5-trimethoxybenzoyl)-1h-azepin | | | | |
| 21912-23-2 | | 1,3-dibromo-5,7-dimethyladamantane | | | | |
| 21912-49-2 | 溴布特罗 盐酸盐 | brombuterol hydrochloride | C12H18Br2N2O·HCl | 402.55 | | |
| 21912-88-9 | | 3,3-diphenyl-n-methyl-2-propen-1-amin hydrochloride | | | | |
| 219121-62-7 | | 2-phenyl-3-pyridinamine monohydrochloride | C11H11ClN2 | 206.67 | | |
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