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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2',11-Diacetylerythromycin B 37141-88-1 C41H71NO14
    2',11-Diacetylerythromycin B
    —— 2,3,6-Trimethyl-5-morpholinobiphenyl 28298-59-1 C19H23NO
    2,3,6-Trimethyl-5-morpholinobiphenyl
    —— 2-(2,2-diethoxy-ethylsulfanyl)furan 1173058-54-2 C10H16O3S
    2-(2,2-diethoxy-ethylsulfanyl)furan
    —— (2S,3R,4S,5R)-5-(tert-butyldimethylsilyloxy)-3-hydroxy-N-methoxy-N,2,4-trimethyloct-6-ynamide 1439376-50-7 C18H35NO4Si
    (2S,3R,4S,5R)-5-(tert-butyldimethylsilyloxy)-3-hydroxy-N-methoxy-N,2,4-trimethyloct-6-ynamide
    —— 2,2-dimesitylethanol 94203-59-5 C20H26O
    2,2-dimesitylethanol
    —— 2-amino-3-(3-hydroxy-propyl)-5-methyl-6-phenyl-3<i>H</i>-pyrimidin-4-one 4822-90-6 C14H17N3O2
    2-amino-3-(3-hydroxy-propyl)-5-methyl-6-phenyl-3<i>H</i>-pyrimidin-4-one
    —— 2-chloro-3-ethoxycarbonylsulfanyl-quinoxaline 94628-23-6 C11H9ClN2O2S
    2-chloro-3-ethoxycarbonylsulfanyl-quinoxaline
    —— (2R,6S)-2,6-Dimethyl-4-(5-nitro-thiazol-2-yl)-thiomorpholine 21649-50-3 C9H13N3O2S2
    (2R,6S)-2,6-Dimethyl-4-(5-nitro-thiazol-2-yl)-thiomorpholine
    —— [2-(3,4-dimethoxy-benzyl)-1-(2-ethyl-hexyl)-4-methyl-4,5-dihydro-1<i>H</i>-imidazol-4-ylmethyl]-(2-ethyl-hexyl)-amine 96470-72-3 C30H53N3O2
    [2-(3,4-dimethoxy-benzyl)-1-(2-ethyl-hexyl)-4-methyl-4,5-dihydro-1<i>H</i>-imidazol-4-ylmethyl]-(2-ethyl-hexyl)-amine
    —— [2-(3-chlorophenyl)ethyl](2-phenyl-7-pyridin-4-yl[1,2,4]triazolo[1,5-a]pyridin-5-yl)amine 329972-15-8 C25H20ClN5
    [2-(3-chlorophenyl)ethyl](2-phenyl-7-pyridin-4-yl[1,2,4]triazolo[1,5-a]pyridin-5-yl)amine
    —— 2-[2-(4-<i>tert</i>-butyl-styryl)-5-nitro-imidazol-1-yl]-ethanol 41147-16-4 C17H21N3O3
    2-[2-(4-<i>tert</i>-butyl-styryl)-5-nitro-imidazol-1-yl]-ethanol
    —— 2-[(2,3-Dichloro-phenyl)-hydrazono]-1-phenyl-butane-1,3-dione 27845-09-6 C16H12Cl2N2O2
    2-[(2,3-Dichloro-phenyl)-hydrazono]-1-phenyl-butane-1,3-dione
    —— 2-(3,4-Dimethoxy-phenylamino)-quinolizinylium; bromide 26455-32-3 Br*C17H17N2O2
    2-(3,4-Dimethoxy-phenylamino)-quinolizinylium; bromide
    —— 2-Methoxy-cyclohexanon-phenyl-hydrazon 10499-37-3 C13H18N2O
    2-Methoxy-cyclohexanon-phenyl-hydrazon
    —— (2R,3S,4S,5R)-4-Benzyloxy-2-benzyloxymethyl-5-methoxy-tetrahydro-thiophen-3-ol 22377-94-2 C20H24O4S
    (2R,3S,4S,5R)-4-Benzyloxy-2-benzyloxymethyl-5-methoxy-tetrahydro-thiophen-3-ol
    —— 2,2,3a,6a-tetramethyl-3,3a,4,6a-tetrahydro-2<i>H</i>-cyclopenta[<i>b</i>]furan 27723-23-5 C11H18O
    2,2,3a,6a-tetramethyl-3,3a,4,6a-tetrahydro-2<i>H</i>-cyclopenta[<i>b</i>]furan
    —— 2-[3-(2,6-Dichloro-4-trifluoromethyl-phenoxy)-phenoxy]-propionic acid 2-ethylsulfanyl-ethyl ester 71654-60-9 C20H19Cl2F3O4S
    2-[3-(2,6-Dichloro-4-trifluoromethyl-phenoxy)-phenoxy]-propionic acid 2-ethylsulfanyl-ethyl ester
    —— 2,4-dimethyl-6-oxo-1-<i>p</i>-tolyl-1,6-dihydro-pyrimidine-5-carboxylic acid ethyl ester 70463-52-4 C16H18N2O3
    2,4-dimethyl-6-oxo-1-<i>p</i>-tolyl-1,6-dihydro-pyrimidine-5-carboxylic acid ethyl ester
    —— 2-Ethyl-hexansaeure-(2.3.6-trichlor-benzylester) 1444-79-7 C15H19Cl3O2
    2-Ethyl-hexansaeure-(2.3.6-trichlor-benzylester)
    —— 2-p-Chlorphenoxyethyldiallyldithiocarbamat 736-56-1 C15H18ClNOS2
    2-p-Chlorphenoxyethyldiallyldithiocarbamat
    —— 2-[3-(2-Amino-2-methyl-propyl)-tetrahydro-pyrimidin-1-yl]-1,1-dimethyl-ethylamine 6029-49-8 C12H28N4
    2-[3-(2-Amino-2-methyl-propyl)-tetrahydro-pyrimidin-1-yl]-1,1-dimethyl-ethylamine
    —— 2-Benzyl-N<sup>4</sup>,N<sup>6</sup>-diisopropyl-1,2-dihydro-[1,3,5,2]triazaborinine-4,6-diamine 17561-80-7 C15H24BN5
    2-Benzyl-N<sup>4</sup>,N<sup>6</sup>-diisopropyl-1,2-dihydro-[1,3,5,2]triazaborinine-4,6-diamine
    —— 2,<i>N</i>-diethyl-<i>N</i>'-isopropyl-5-nitro-pyrimidine-4,6-diamine 53038-72-5 C11H19N5O2
    2,<i>N</i>-diethyl-<i>N</i>'-isopropyl-5-nitro-pyrimidine-4,6-diamine
    —— 2-[(2-Bromo-acetyl)-(2,6-dichloro-phenyl)-amino]-propionic acid methyl ester 67823-60-3 C12H12BrCl2NO3
    2-[(2-Bromo-acetyl)-(2,6-dichloro-phenyl)-amino]-propionic acid methyl ester
    —— 2,6,2',6'-tetra-<i>tert</i>-butyl-4,4'-(6-heptadecyl-[1,3,5]triazine-2,4-diyldioxy)-bis-phenol 38665-64-4 C48H77N3O4
    2,6,2',6'-tetra-<i>tert</i>-butyl-4,4'-(6-heptadecyl-[1,3,5]triazine-2,4-diyldioxy)-bis-phenol
    —— 2,3,5,6-Tetrakis-(2,4,6-trichloro-phenoxy)-[1,4]benzoquinone 51389-92-5 C30H8Cl12O6
    2,3,5,6-Tetrakis-(2,4,6-trichloro-phenoxy)-[1,4]benzoquinone
    —— 2-[4-(4-methoxy-styryl)-phenyl]-5-methyl-2<i>H</i>-[1,2,3]triazole-4-carboxylic acid ethyl ester 34549-36-5 C21H21N3O3
    2-[4-(4-methoxy-styryl)-phenyl]-5-methyl-2<i>H</i>-[1,2,3]triazole-4-carboxylic acid ethyl ester
    —— [2-(2-dimethylaminomethyl-imidazol-1-yl)-5-ethyl-thiophen-3-yl]-(4-methoxy-phenyl)-methanone 52170-13-5 C20H23N3O2S
    [2-(2-dimethylaminomethyl-imidazol-1-yl)-5-ethyl-thiophen-3-yl]-(4-methoxy-phenyl)-methanone
    —— 2-phenyl-5,5b,6,7,7a,8-hexahydro-cyclobuta[3,4]cyclobuta[1,2-<i>d</i>][1,2,4]triazolo[1,2-<i>a</i>]pyridazine-1,3-dione 40117-15-5 C16H15N3O2
    2-phenyl-5,5b,6,7,7a,8-hexahydro-cyclobuta[3,4]cyclobuta[1,2-<i>d</i>][1,2,4]triazolo[1,2-<i>a</i>]pyridazine-1,3-dione
    —— 2-Phenyl-2-pyridin-2-yl-4-(2,4,6-trimethyl-piperidin-1-yl)-butyramide 95293-33-7 C23H31N3O
    2-Phenyl-2-pyridin-2-yl-4-(2,4,6-trimethyl-piperidin-1-yl)-butyramide
    —— 2-(4-iodobenzyl)-3-oxo-N-(3-(2-phenylpiperidin-1-yl)propyl)isoindoline-5-carboxamide hydrochloride 1202915-08-9 C30H32IN3O2*ClH
    2-(4-iodobenzyl)-3-oxo-N-(3-(2-phenylpiperidin-1-yl)propyl)isoindoline-5-carboxamide hydrochloride
    —— 2-(p-Nitrobenzyl-4(5)-nitroimidazol 36142-45-7 C10H8N4O4
    2-(p-Nitrobenzyl-4(5)-nitroimidazol
    —— 2-[4-(4-Thiocarbamoyl-phenoxy)-phenoxy]-propionic acid butyl ester 69845-81-4 C20H23NO4S
    2-[4-(4-Thiocarbamoyl-phenoxy)-phenoxy]-propionic acid butyl ester
    —— 2-(3-phenylpropyl)-1,3,2-benzodioxaborole 143969-42-0 C15H15BO2
    2-(3-phenylpropyl)-1,3,2-benzodioxaborole
    —— (2RS)-isopropyl 1-(tert-butoxycarbonyl)-2-iodomethyl-2,5-dihydropyrrole-2-carboxylate 733769-46-5 C14H22INO4
    (2RS)-isopropyl 1-(tert-butoxycarbonyl)-2-iodomethyl-2,5-dihydropyrrole-2-carboxylate
    —— 2-methyl-3-(3-methyloxiran-2-yl)oxirane 51065-35-1 C6H10O2
    2-methyl-3-(3-methyloxiran-2-yl)oxirane
    —— 2-{[2-(3,4-Dimethoxy-phenyl)-ethylcarbamoyl]-methyl}-3,4,5-trimethoxy-benzoic acid 23837-63-0 C22H27NO8
    2-{[2-(3,4-Dimethoxy-phenyl)-ethylcarbamoyl]-methyl}-3,4,5-trimethoxy-benzoic acid
    —— 2-Aminomethyl-4-(3-chloro-phenyl)-6-methyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid 5-benzyl ester 3-ethyl ester 70527-72-9 C24H25ClN2O4
    2-Aminomethyl-4-(3-chloro-phenyl)-6-methyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid 5-benzyl ester 3-ethyl ester
    —— 2-(2,3-dimethoxy-phenyl)-3-(2-piperidin-1-yl-ethoxy)-2,3-dihydro-1<i>H</i>-quinazolin-4-one 25939-94-0 C23H29N3O4
    2-(2,3-dimethoxy-phenyl)-3-(2-piperidin-1-yl-ethoxy)-2,3-dihydro-1<i>H</i>-quinazolin-4-one
    —— 2,2'-Dimethyl-6,6'-dipyrrolidino-4,4'-iminodipyrimidin 21878-17-1 C18H25N7
    2,2'-Dimethyl-6,6'-dipyrrolidino-4,4'-iminodipyrimidin
    —— 2,4,4-Trimethyl-6-oxo-4H,6H-<1,3>-thiazino<2,3-b>chinazolin 95494-50-1 C14H14N2OS
    2,4,4-Trimethyl-6-oxo-4H,6H-<1,3>-thiazino<2,3-b>chinazolin
    —— 2-[2-(<i>N</i>-acetyl-anilino)-vinyl]-3-ethyl-4,5-diphenyl-thiazolium; iodide 87345-50-4 C27H25N2OS*I
    2-[2-(<i>N</i>-acetyl-anilino)-vinyl]-3-ethyl-4,5-diphenyl-thiazolium; iodide
    —— 2-Benzyloxy-3-acetylestra-1,3,5(10)-trien-17β-ol acetate 27769-16-0 C29H34O4
    2-Benzyloxy-3-acetylestra-1,3,5(10)-trien-17β-ol acetate
    —— (2R,5S,7R)-5,7-Bis-(tert-butyl-dimethyl-silanyloxy)-10-((2R,4S,5R)-4-hydroxy-5-methyl-tetrahydro-furan-2-yl)-2,6,6-trimethyl-decanoic acid 2-trimethylsilanyl-ethoxycarbonylmethyl ester 118713-77-2 C37H76O8Si3
    (2R,5S,7R)-5,7-Bis-(tert-butyl-dimethyl-silanyloxy)-10-((2R,4S,5R)-4-hydroxy-5-methyl-tetrahydro-furan-2-yl)-2,6,6-trimethyl-decanoic acid 2-trimethylsilanyl-ethoxycarbonylmethyl ester
    —— 2-acetylthiomethyl-3-(4-phenoxybenzoyl)propionic acid 101973-80-2 C19H18O5S
    2-acetylthiomethyl-3-(4-phenoxybenzoyl)propionic acid
    —— 2-Oxo-2-phenylethanoyl trimethylsilane 107479-78-7 C11H14O2Si
    2-Oxo-2-phenylethanoyl trimethylsilane
    —— 2-Butanone, 3-nitroso-, ion(1-), potassium 103411-45-6 C4H6NO2*K
    2-Butanone, 3-nitroso-, ion(1-), potassium
    —— 2-chloro-N-(6,8-dimethoxy-9-oxo-9H-xanthen-2-yl)acetamide 1260662-99-4 C17H14ClNO5
    2-chloro-N-(6,8-dimethoxy-9-oxo-9H-xanthen-2-yl)acetamide
    —— 2-(N-Methylpiperazino)-4-(thiomorpholino-1,1-dioxid)-chinazolin 39218-21-8 C17H23N5O2S
    2-(N-Methylpiperazino)-4-(thiomorpholino-1,1-dioxid)-chinazolin
    —— 2-chloro-7-hydroxy-14<i>H</i>-naphtho[2,3-<i>a</i>]phenothiazine-8,13-dione 72308-34-0 C20H10ClNO3S
    2-chloro-7-hydroxy-14<i>H</i>-naphtho[2,3-<i>a</i>]phenothiazine-8,13-dione