| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 2-喹噁啉甲腈 | quinoxaline-2-carbonitrile | 7483-33-2 | C9H5N3 |
| 2-喹喔啉羧酸乙酯 | ethyl quinoxaline-2-carboxylate | 7065-23-8 | C11H10N2O2 |
| 2-喹喔啉甲醛肟 | 2-quinoxalinecarboxaldehyde oxime | 7483-32-1 | C9H7N3O |
| 2-喹喔啉甲酰胺,1,4-二氢-3-羟基- | Benzoxazolium, 2,5-dimethyl-3-(3-sulfopropyl)-, inner salt | 70615-15-5 | C12H15NO4S |
| 2-喹啉醇 | 2-quinolone | 70254-42-1 | C9H7NO |
| 2-喹啉-2-基-丙烷-1,3-二醇 | 2-(quinolin-2-yl)propane-1,3-diol | 779-32-8 | C12H13NO2 |
| 2-哌嗪酮,1,3,3,4-四甲基- | Bromooctanoyl-coa | 71605-35-1 | C29H48BrN7O16P3S+ |
| 2-哌嗪羧酸,5-(1-甲基乙基)-,(2R,5S)- | (2R,5S)-5-(Propan-2-yl)piperazine-2-carboxylic acid | 782424-04-8 | C8H16N2O2 |
| 2-哌嗪-1-苯甲醛 | 2-(Piperazin-1-yl)benzaldehyde | 736991-52-9 | C11H14N2O |
| 2-哌嗪-1-环己醇 | 2-piperazin-1-yl-cyclohexanol | 759402-42-1 | C10H20N2O |
| 2-哌嗪-1-基-4-吡咯烷-1-基-5,6,7,8-四氢喹唑啉 | 2-Piperazino-4-pyrrolidino-5,6-tetramethylenepyrimidine | 76781-41-4 | C16H25N5 |
| 2-哌嗪-1-基-1-哌啶-1-基乙酮 | 2-(piperazin-1-yl)-1-(piperidin-1-yl)ethan-1-one | 70558-13-3 | C11H21N3O |
| 2-哌啶羧酸,4-羟基-,(2R,4S)-rel-(9CI) | Zincofol | 75045-72-6 | C10H11Cl4CuNO8S2Zn |
| 2-哌啶羧酸,3-羟基-,甲基酯,(2R,3S)-rel- | 1H-1,2,4-Triazole, 5-(p-acetamidophenyl)-3-amino-, hydrate | 73953-88-5 | C10H13N5O2 |
| 2-哌啶甲酸乙酯盐酸盐 | ethyl piperidine-2-carboxylate hydrochloride | 77034-33-4 | C8H15NO2*ClH |
| 2-哌啶丙酰胺 | 2-Piperidinepropionamide | 7511-11-7 | C8H16N2O |
| 2-哌啶-3-基苯并恶唑 | 2-piperidin-3-yl-benzooxazole | 754126-86-8 | C12H14N2O |
| 2-哌啶-3-基-1,3-苯并噻唑盐酸盐 | 2-piperidin-3-yl-benzothiazole | 750640-97-2 | C12H14N2S |
| 2-哌啶-1-基烟酸 | 3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-3'-carboxylic acid | 78253-61-9 | C11H14N2O2 |
| 2-哌啶-1-基乙基N-(2-甲氧基苯基)氨基甲酸酯 | o-methoxyphenylcarbamic acid 2-piperidineethyl ester | 76875-80-4 | C15H22N2O3 |
| 2-咪唑烷酮,4-羟基-1-(5-硝基-2-噻唑基)- | GNRH, (Ac-dehydro-pro(1)-4-Cl-phe(2)-trp(3,6))-N-(alpha)-meleu(7)- | 74611-71-5 | C70H87ClN16O13 |
| 2-咪唑并啉-5-酮,1-(苯亚甲基氨基)-4-(p-硝基苯亚甲基)-2-苯基- | 2-Methylpropyl 1-methyl-4-(4-methyl-3-pentenyl)cyclohex-3-ene-1-carboxylate | 72727-55-0 | C18H30O2 |
| 2-咪唑-1-鎓-1-基-1-(4-苯基苯基)丙-1-醇氯化物 | 2-(1H-imidazol-1-ium-1-yl)-1-(4-phenylphenyl)propan-1-ol chloride | 77234-86-7 | C18H19ClN2O |
| 2-咪唑-1-基-1-萘-1-基-乙醇 | 1-[2-hydroxy-2-(1-naphthyl)ethyl]imidazole | 71009-18-2 | C15H14N2O |
| 2-咪唑-1-基-1-(4-苯乙基苯基)乙醇盐酸盐 | Hydron;2-imidazol-1-yl-1-[4-(2-phenylethyl)phenyl]ethanol;chloride | 77234-90-3 | C19H21ClN2O |
| 2-咪唑-1-基-1-(2,3,5,6-四甲基苯基)乙醇 | N-<<β-(2,3,5,6-tetramethylphenyl)-β-hydroxy>ethyl>imidazole | 73932-54-4 | C15H20N2O |
| 2-咪唑-1-基-1-(2,3,5,6-四甲基苯基)乙酮 | 2-(1-Imidazolyl)-2',3',5',6'-tetramethylacetophenone | 73931-90-5 | C15H18N2O |
| 2-咪唑-1-基-1-(2,3,5,6-四甲基苯基)丙-1-酮 | 2-(1-Imidazolyl)-2',3',5',6'-tetramethylpropiophenone | 73932-50-0 | C16H20N2O |
| 2-呋喃甲胺,四氢-N-[(5-甲基-2-噻嗯基)甲基]- | (5-Methyl-thiophen-2-ylmethyl)-(tetrahydro-furan-2-ylmethyl)-amine | 774554-01-7 | C11H17NOS |
| 2-呋喃基(3-吡啶基)甲酮 | furan-2-yl(pyridin-3-yl)methanone | 72770-55-9 | C10H7NO2 |
| 2-呋喃丙酸,b-氨基-5-(4-硝基苯基)- | 3-Amino-3-(5-(4-nitrophenyl)furan-2-yl)propanoic acid | 773125-51-2 | C13H12N2O5 |
| 2-呋喃丙烯腈 | 3-(furan-2-yl)prop-2-enenitrile | 7187-01-1 | C7H5NO |
| 2-呋喃-2-基-2-吡咯烷-1-基-乙胺 | 2-Furan-2-yl-2-pyrrolidin-1-yl-ethylamine | 790263-43-3 | C10H16N2O |
| 2-吩嗪羧酸 5,10-二氧化物 | 5,10-dioxyphenazine-2-carboxylic acid | 7495-28-5 | C13H8N2O4 |
| 2-吡嗪羧酸,3-氰基-5,6-二甲基-,甲基酯 | Methyl 3-cyano-5,6-dimethylpyrazine-2-carboxylate | 74402-59-8 | C9H9N3O2 |
| 2-吡嗪甲醛缩氨基硫脲 | 2-(Pyrazinylmethylene)hydrazinecarbothioamide | 7000-48-8 | C6H7N5S |
| 2-吡啶醛肟O-丙基醚 | 2-Pyridinecarboxaldehyde, O-propyloxime | 71172-62-8 | C9H12N2O |
| 2-吡啶胺,N-(4,5-二氢-1H-咪唑-2-基)-3-甲基- | Dbdad | 73319-20-7 | C39H68Br2N2O4 |
| 2-吡啶羰基氯化,3-氯-5-氟-(9CI) | 2-Butenedioic acid (2Z)-, 2,2-dimethyl-1-(1-methylethyl)-1,3-propanediyl ester | 71550-60-2 | C16H22O8 |
| 2-吡啶羧酸,6-[4-(三氟甲氧基)苯基]- | N-[5-[[[2,4-Bis(1,1-dimethylpropyl)phenoxy]acetyl]amino]-2-chlorophenyl]-1-hydroxynaphthalene-2-carboxamide | 70609-70-0 | C35H39ClN2O4 |
| 2-吡啶羧酸,4-(1-甲基乙氧基)-,1-氧化 | Orthobenzoic acid, cyclic ester with 2-(hydroxymethyl)-2-isopropyl-1,3-propanediol | 70637-04-6 | C14H18O3 |
| 2-吡啶甲醛-4-硝基苯腙 | 2-{[2-(4-nitrophenyl)hydrazono]methyl}pyridine | 70421-66-8 | C12H10N4O2 |
| 2-吡啶甲醇,a-(4-乙基苯基)-3-羟基- | 1,8-difluoro-2-naphthol | 767320-15-0 | C10H6F2O |
| 2-吡啶并唑,3,5-二硝基- | 4,8-Dicyclohexyl-2,10-dimethyl-6-(octadecyloxy)-12H-dibenzo(d,g)(1,3,2)dioxaphosphocin | 73912-20-6 | C45H71O3P |
| 2-吡啶乙酰胺,N-[6-氨基-1-丁基-3-[(2-氟苯基)甲基]-1,2,3,4-四氢-2,4-二羰基-5-嘧啶基]-5-[[(5-氯-1,3-二甲基-1H-吡唑-4-基)磺酰]氨基]- | 4-(4-Oxo-4H-1-benzopyran-2-yl)benzene-1-diazonium | 751450-51-8 | C15H9N2O2+ |
| 2-吡啶-SO-过氧硫醇 | Hydroxy-mercaptopyridine | 76410-89-4 | C5H5NOS |
| 2-吡啶-3-喹啉-4-羧酸 | 2-(pyridin-3-yl)quinoline-4-carboxylic acid | 7482-91-9 | C15H10N2O2 |
| 2-吡啶-2-基喹啉-4-羧酸 | 2-(2-pyridinyl)quinoline | 7491-86-3 | C14H10N2 |
| 2-吡啶-2-乙脒酸 | 2-Pyridin-2-YL-acetimidic acid ethyl ester | 727642-67-3 | C9H12N2O |
| 2-吡咯硼酸 | pyrrole-2-boronic acid | 763120-43-0 | C4H6BNO2 |