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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-(2,4,5,5-Tetrachlor-pentadien-(2,4)-yliden)-dioxo-indan 10269-42-8 C14H6Cl4O2
    2-(2,4,5,5-Tetrachlor-pentadien-(2,4)-yliden)-dioxo-indan
    —— 2-Chloro-N-[3-(2-chloro-acetylamino)-propyl]-N-propyl-acetamide 128207-38-5 C10H18Cl2N2O2
    2-Chloro-N-[3-(2-chloro-acetylamino)-propyl]-N-propyl-acetamide
    —— 2-bromomethyl-2-hydroxy-3-semicarbazono-cyclopentane-1,1-dicarboxylic acid diethyl ester 105788-88-3 C13H20BrN3O6
    2-bromomethyl-2-hydroxy-3-semicarbazono-cyclopentane-1,1-dicarboxylic acid diethyl ester
    —— 2,4-Bis-p-tolylazo-3,6-dimethyl-phenol 3158-53-0 C22H22N4O
    2,4-Bis-p-tolylazo-3,6-dimethyl-phenol
    —— (2-nitro-benzenesulfonyl)-phenyl-diazene 116082-77-0 C12H9N3O4S
    (2-nitro-benzenesulfonyl)-phenyl-diazene
    —— 2-(2-Hydroxy-phenyl)-4.6-bis-<anthrachinonyl-(1)-amino>-1.3.5-triazin 106171-68-0 C37H21N5O5
    2-(2-Hydroxy-phenyl)-4.6-bis-<anthrachinonyl-(1)-amino>-1.3.5-triazin
    —— 2-nitro-4-[3-(4-nitro-benzyl)-quinoxalin-2-yl]-phenol 94873-38-8 C21H14N4O5
    2-nitro-4-[3-(4-nitro-benzyl)-quinoxalin-2-yl]-phenol
    —— 2-ethyl-3-(2,3-dihydro-benzo[1,4]dioxin-2-yl)-propionic acid 100612-90-6 C13H16O4
    2-ethyl-3-(2,3-dihydro-benzo[1,4]dioxin-2-yl)-propionic acid
    —— 2α-methyl-5α-stigmast-22<i>t</i>-en-3-one 122315-96-2 C30H50O
    2α-methyl-5α-stigmast-22<i>t</i>-en-3-one
    —— 2-(3-cyano-4-isopropyloxy-phenyl)-5-(4-bromo-2-methylphenyl)-1,3,4-thiadiazole 856167-34-5 C19H16BrN3OS
    2-(3-cyano-4-isopropyloxy-phenyl)-5-(4-bromo-2-methylphenyl)-1,3,4-thiadiazole
    —— 2-Amino-5-propyl-7-heptyl-s-triazolo<2.3-c>pyrimidin 106654-10-8 C15H25N5
    2-Amino-5-propyl-7-heptyl-s-triazolo<2.3-c>pyrimidin
    —— 2-Isopropylcyclopentanon-oxim 90483-25-3 C8H15NO
    2-Isopropylcyclopentanon-oxim
    —— 2-amino-3-(5-benzyloxy-indol-2-yl)-propionic acid 101793-59-3 C18H18N2O3
    2-amino-3-(5-benzyloxy-indol-2-yl)-propionic acid
    —— 2-[4-(carboxydiphenylmethoxy)phenyl]-1-cyclohexylbenzimidazole-5-carboxylic acid 347167-01-5 C34H30N2O5
    2-[4-(carboxydiphenylmethoxy)phenyl]-1-cyclohexylbenzimidazole-5-carboxylic acid
    —— 2-Chlor-4-thiomorpholino-5-nitro-pyrimidin 49845-32-1 C8H9ClN4O2S
    2-Chlor-4-thiomorpholino-5-nitro-pyrimidin
    —— 2-(4-(6-((5-(8-Chloro-4H-3,1-benzoxazin-2-yl)thiazol-2-yl)amino)-2-methyl-pyrimidin-4-yl)piperazin-1-yl)ethanol 1050203-84-3 C22H24ClN7O2S
    2-(4-(6-((5-(8-Chloro-4H-3,1-benzoxazin-2-yl)thiazol-2-yl)amino)-2-methyl-pyrimidin-4-yl)piperazin-1-yl)ethanol
    —— 2-[4-(1H-[1,2,4]-triazol-1-yl)phenyl]-4,6-difluoro-1H-benzo[d]imidazole-1-acetonitrile 1163728-98-0 C17H10F2N6
    2-[4-(1H-[1,2,4]-triazol-1-yl)phenyl]-4,6-difluoro-1H-benzo[d]imidazole-1-acetonitrile
    —— 2,N-dicyclohexyl-2-[6-fluoro-2-(4-hydroxymethyl-phenoxymethyl)-benzoimidazol-1-yl]-acetamide 1128216-34-1 C29H36FN3O3
    2,N-dicyclohexyl-2-[6-fluoro-2-(4-hydroxymethyl-phenoxymethyl)-benzoimidazol-1-yl]-acetamide
    —— 2,2,4-trimethyl-6,6-bis(trifluoromethyl)cyclohex-3-ene-1,1-dicarbonitrile 134539-96-1 C13H12F6N2
    2,2,4-trimethyl-6,6-bis(trifluoromethyl)cyclohex-3-ene-1,1-dicarbonitrile
    —— 2-{(Z)-2-[2-(4-Bromo-phenyl)-1-methyl-1H-indol-3-yl]-vinyl}-3-ethyl-6-selenocyanato-benzothiazol-3-ium; bromide 83958-19-4 Br*C27H21BrN3SSe
    2-{(Z)-2-[2-(4-Bromo-phenyl)-1-methyl-1H-indol-3-yl]-vinyl}-3-ethyl-6-selenocyanato-benzothiazol-3-ium; bromide
    —— 2-Methyl-5,6-bis-(methoxycarbonyl)-benzimidazol 52412-70-1 C12H12N2O4
    2-Methyl-5,6-bis-(methoxycarbonyl)-benzimidazol
    —— 2-phenyl-8-azaadenosine 149356-01-4 C15H16N6O4
    2-phenyl-8-azaadenosine
    —— [(2,5-dioxo-1,3-diphenylimidazolidine-4-carbonyl)amino] N-(4-chlorophenyl)carbamate 135249-77-3 C23H17ClN4O5
    [(2,5-dioxo-1,3-diphenylimidazolidine-4-carbonyl)amino] N-(4-chlorophenyl)carbamate
    —— 2-(2-methyl-1(3)<i>H</i>-imidazol-4-ylmethylsulfanyl)-ethylamine 70423-51-7 C7H13N3S
    2-(2-methyl-1(3)<i>H</i>-imidazol-4-ylmethylsulfanyl)-ethylamine
    —— 2-oxo-3-(piperidine-1-carbonyl)-imidazolidine-1-carbonyl chloride 41730-92-1 C10H14ClN3O3
    2-oxo-3-(piperidine-1-carbonyl)-imidazolidine-1-carbonyl chloride
    —— 2-<1-Hydroxy-1-phenyl-propyl>-benzoesaeure-anilid 23659-63-4 C22H21NO2
    2-<1-Hydroxy-1-phenyl-propyl>-benzoesaeure-anilid
    —— (2-Ethyl-pyrrolidin-3-yl)-pyrrolidin-1-yl-methanone 35057-68-2 C11H20N2O
    (2-Ethyl-pyrrolidin-3-yl)-pyrrolidin-1-yl-methanone
    —— 2-(3-Methoxycarbonyl-1-methylene-propyl)-5,5-dimethyl-4-oxo-tetrahydro-thiophene-3-carboxylic acid methyl ester 83325-45-5 C14H20O5S
    2-(3-Methoxycarbonyl-1-methylene-propyl)-5,5-dimethyl-4-oxo-tetrahydro-thiophene-3-carboxylic acid methyl ester
    —— (2-allyl-4,5-dimethoxyphenyl)phenylsilane 1259515-22-4 C17H20O2Si
    (2-allyl-4,5-dimethoxyphenyl)phenylsilane
    —— 2-Chlor-3-methoxy-6-isopropenylpyridin 54232-52-9 C9H10ClNO
    2-Chlor-3-methoxy-6-isopropenylpyridin
    —— 2',4"-bis-O-trimethylsilylerythromycin A 9-O-(1-isopropoxycyclohexyl)oxime 1098300-45-8 C52H100N2O14Si2
    2',4"-bis-O-trimethylsilylerythromycin A 9-O-(1-isopropoxycyclohexyl)oxime
    —— 2-{[(2-chloro-6-methylphenyl)sulfonyl]amino}-4-(2-cyano-1H-pyrrol-1-yl)-N-(4-methoxybenzyl)-N-methylbutanamide 1191104-78-5 C25H27ClN4O4S
    2-{[(2-chloro-6-methylphenyl)sulfonyl]amino}-4-(2-cyano-1H-pyrrol-1-yl)-N-(4-methoxybenzyl)-N-methylbutanamide
    —— 2,4-dichloro-N-[(1R)-1-[4-ethyl-5-(4-fluorophenoxy)-1,2,4-triazol-3-yl]ethyl]-5-methylbenzenesulfonamide 945727-78-6 C19H19Cl2FN4O3S
    2,4-dichloro-N-[(1R)-1-[4-ethyl-5-(4-fluorophenoxy)-1,2,4-triazol-3-yl]ethyl]-5-methylbenzenesulfonamide
    —— 2-(3-chloropyridin-2-yl)-N-[2,4-dichloro-6-(1-cyclopropylethylcarbamoyl)phenyl]-5-[[4-(1,1,1,2,3,3,3-heptafluoropropan-2-yl)triazol-2-yl]methyl]pyrazole-3-carboxamide 1339951-04-0 C27H20Cl3F7N8O2
    2-(3-chloropyridin-2-yl)-N-[2,4-dichloro-6-(1-cyclopropylethylcarbamoyl)phenyl]-5-[[4-(1,1,1,2,3,3,3-heptafluoropropan-2-yl)triazol-2-yl]methyl]pyrazole-3-carboxamide
    —— (2S,3a'R,6'S,7a'R)-3-acetyl-2',2',2'',2''-tetramethyl-5-pentyl-2,3-dihydro-1,3,4-oxadiazole-2-spiro-7'-{1',3'-dioxolano[4,5-c]pyrano}-6'-spiro-4''-(1'',3''-diaoxolane) 1158837-67-2 C20H32N2O7
    (2S,3a'R,6'S,7a'R)-3-acetyl-2',2',2'',2''-tetramethyl-5-pentyl-2,3-dihydro-1,3,4-oxadiazole-2-spiro-7'-{1',3'-dioxolano[4,5-c]pyrano}-6'-spiro-4''-(1'',3''-diaoxolane)
    —— 2,6-dichloro-N-{3-(2-cyano-1H-pyrrol-1-yl)-1-[(4-methylpiperidin-1-yl)carbonyl]propyl}benzenesulfonamide 1191031-42-1 C21H24Cl2N4O3S
    2,6-dichloro-N-{3-(2-cyano-1H-pyrrol-1-yl)-1-[(4-methylpiperidin-1-yl)carbonyl]propyl}benzenesulfonamide
    —— 2-Methylthio-3-p-tolyl-5-chlorindol 35002-10-9 C16H14ClNS
    2-Methylthio-3-p-tolyl-5-chlorindol
    —— 2,3-Dihydro-3-methyltellurochroman-4-on 56821-63-7 C10H10OTe
    2,3-Dihydro-3-methyltellurochroman-4-on
    —— 2-[(Z)-1-Iodo-2-(2-propen-1-yl)-1-hexen-1-yl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 1334676-32-2 C15H26BIO2
    2-[(Z)-1-Iodo-2-(2-propen-1-yl)-1-hexen-1-yl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
    —— (2R,3S,6R)-6-(tert-Butyl-diphenyl-silanyloxy)-7-ethynyl-2-hydroxymethyl-2,3,6,7-tetrahydro-oxepin-3-ol 482647-07-4 C25H30O4Si
    (2R,3S,6R)-6-(tert-Butyl-diphenyl-silanyloxy)-7-ethynyl-2-hydroxymethyl-2,3,6,7-tetrahydro-oxepin-3-ol
    —— 2-(4-chlorophenoxy)-2-(3,4-dimethoxyphenyl)-1-phenylethanone 1613484-00-6 C22H19ClO4
    2-(4-chlorophenoxy)-2-(3,4-dimethoxyphenyl)-1-phenylethanone
    —— 2-[2-(4-Bromobutoxy)phenoxy]ethanol 188121-04-2 C12H17BrO3
    2-[2-(4-Bromobutoxy)phenoxy]ethanol
    —— 2-(2,5-Bis-acetylsulfanyl-4-methyl-3,6-dioxo-piperazin-1-yl)-3-methoxy-benzoic acid methyl ester 565433-79-6 C18H20N2O7S2
    2-(2,5-Bis-acetylsulfanyl-4-methyl-3,6-dioxo-piperazin-1-yl)-3-methoxy-benzoic acid methyl ester
    —— 2,2'-diaminodiphenyl disulphide hydrobromide 93073-03-1 BrH*C12H12N2S2
    2,2'-diaminodiphenyl disulphide hydrobromide
    —— 2,2-Dichlorvinyl-2,2,2-trichlorethylsulfid 23248-51-3 C4H3Cl5S
    2,2-Dichlorvinyl-2,2,2-trichlorethylsulfid
    —— 2-[2-biphenyl-3-yl-6-(4-trifluoromethyl-phenyl)-pyridin-4-yl]-4-methyl-pentanoic acid 1206476-55-2 C30H26F3NO2
    2-[2-biphenyl-3-yl-6-(4-trifluoromethyl-phenyl)-pyridin-4-yl]-4-methyl-pentanoic acid
    —— (2S)-2-[3-(4-methoxy)benzyl-2,4,4-trioxo-1-oxa-4λ<sup>6</sup>-thia-3,5-diaza-cycloundec-7-en-5-yl]-3-phenyl-propionic acid methyl ester 861632-34-0 C25H30N2O7S
    (2S)-2-[3-(4-methoxy)benzyl-2,4,4-trioxo-1-oxa-4λ<sup>6</sup>-thia-3,5-diaza-cycloundec-7-en-5-yl]-3-phenyl-propionic acid methyl ester
    —— 2-(2-dimethylamino-ethoxy)-4-nitro-benzoic acid ethyl ester; hydrochloride 133231-75-1 C13H18N2O5*ClH
    2-(2-dimethylamino-ethoxy)-4-nitro-benzoic acid ethyl ester; hydrochloride
    —— 2,2'-disulfanediylbis(N-(2-chloro-5-nitrobenzylidene)aniline) 1174398-97-0 C26H16Cl2N4O4S2
    2,2'-disulfanediylbis(N-(2-chloro-5-nitrobenzylidene)aniline)
    —— 2-((7-hydroxy-5-methoxy-4-oxo-2-phenyl-4H-chromen-6-yl)methylene)-N-phenylhydrazinecarbothioamide 1260141-47-6 C24H19N3O4S
    2-((7-hydroxy-5-methoxy-4-oxo-2-phenyl-4H-chromen-6-yl)methylene)-N-phenylhydrazinecarbothioamide