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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Methylsulfonyl-pyrrol-3,4-dicarbonsaeure 89792-04-1 C7H7NO6S
    2-Methylsulfonyl-pyrrol-3,4-dicarbonsaeure
    —— 2-Nitro-4-chlorophenylazomalonaldehyde 90225-38-0 C9H6ClN3O4
    2-Nitro-4-chlorophenylazomalonaldehyde
    —— 2,2,4-trimethyl-1,2,3,4-tetrahydronaphtho[2,3-f]quinazolin-2-ium hexafluorophosphate 1012872-30-8 C19H21N2*F6P
    2,2,4-trimethyl-1,2,3,4-tetrahydronaphtho[2,3-f]quinazolin-2-ium hexafluorophosphate
    —— 2-Hydroxy-4-(4-methoxy-phenyl)-1-phenyl-butane-1,4-dione 40240-54-8 C17H16O4
    2-Hydroxy-4-(4-methoxy-phenyl)-1-phenyl-butane-1,4-dione
    —— (2R,3R,4R)-5-Benzyloxy-4-fluoro-3-hydroxy-2,4-dimethyl-pentanoic acid ethyl ester 117582-02-2 C16H23FO4
    (2R,3R,4R)-5-Benzyloxy-4-fluoro-3-hydroxy-2,4-dimethyl-pentanoic acid ethyl ester
    —— 2,6-Di(4-methylbenzoyl)-3,5-di(4-methylphenyl)tetrahydro-1,4-thiazine 139961-25-4 C34H33NO2S
    2,6-Di(4-methylbenzoyl)-3,5-di(4-methylphenyl)tetrahydro-1,4-thiazine
    —— 2-Benzyl-N-methyl-N-phenyl-2,3-butadienamid 147167-40-6 C18H17NO
    2-Benzyl-N-methyl-N-phenyl-2,3-butadienamid
    —— (2,3-diphenyl-quinoxalin-5-yl)-dimethyl-amine 102549-43-9 C22H19N3
    (2,3-diphenyl-quinoxalin-5-yl)-dimethyl-amine
    —— 2-amino-5-[4-(difluoromethoxy)-3-methylphenyl]-5-(3-ethoxy-4-fluorophenyl)-3-methyl-3,5-dihydro-4H-imidazol-4-one 1062606-30-7 C20H20F3N3O3
    2-amino-5-[4-(difluoromethoxy)-3-methylphenyl]-5-(3-ethoxy-4-fluorophenyl)-3-methyl-3,5-dihydro-4H-imidazol-4-one
    —— 2-(2-iodophenyl)-5-(pyridin-3-yl)-1,3,4-oxadiazole 1033725-30-2 C13H8IN3O
    2-(2-iodophenyl)-5-(pyridin-3-yl)-1,3,4-oxadiazole
    —— 2-amino-6-chloro-4-(4-bromophenyl)-4H-benzo[h]chromene-3-carbonitrile 158143-60-3 C20H12BrClN2O
    2-amino-6-chloro-4-(4-bromophenyl)-4H-benzo[h]chromene-3-carbonitrile
    —— 2-<2-<<(alloxy)carbonyl>benzylamino>ethyl>-2-<3,4-(methylenedioxy)phenyl>-5-oxohexanal 111923-04-7 C26H29NO6
    2-<2-<<(alloxy)carbonyl>benzylamino>ethyl>-2-<3,4-(methylenedioxy)phenyl>-5-oxohexanal
    —— 2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-4,7,8-tri-O-acetyl-9-bromo-3,5,9-trideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->3)-O-(6-O-benzoyl-β-D-galactopyranosyl)-(1->4)-2,6-di-O-benzoyl-β-D-glucopyranoside 140183-07-9 C56H70BrNO24Si
    2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-4,7,8-tri-O-acetyl-9-bromo-3,5,9-trideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->3)-O-(6-O-benzoyl-β-D-galactopyranosyl)-(1->4)-2,6-di-O-benzoyl-β-D-glucopyranoside
    —— 2-((3-butyl-2-(hex-1-yn-1-yl)-5-methylbenzyl)oxy)tetrahydro-2H-pyran 1374442-00-8 C23H34O2
    2-((3-butyl-2-(hex-1-yn-1-yl)-5-methylbenzyl)oxy)tetrahydro-2H-pyran
    —— 2,2,4,5,8-Pentamethyl-5H-3,6-dioxa-1-thia-phenalen-9-ol 133901-97-0 C15H18O3S
    2,2,4,5,8-Pentamethyl-5H-3,6-dioxa-1-thia-phenalen-9-ol
    —— <2-13C>fumanic acid 96503-59-2 C4H4O4
    <2-13C>fumanic acid
    —— (2S,4R,5R,6R)-6-[(R)-1-((2S,3R,4R,5R)-3,4-Dimethoxy-5-methoxymethyl-tetrahydro-furan-2-yloxy)-2-methoxy-ethyl]-2,4,5-trimethoxy-tetrahydro-pyran-2-carboxylic acid methyl ester 105162-08-1 C21H38O12
    (2S,4R,5R,6R)-6-[(R)-1-((2S,3R,4R,5R)-3,4-Dimethoxy-5-methoxymethyl-tetrahydro-furan-2-yloxy)-2-methoxy-ethyl]-2,4,5-trimethoxy-tetrahydro-pyran-2-carboxylic acid methyl ester
    —— 2-Isopropylidene-cyclopent-4-ene-1,3-diol 51027-91-9 C8H12O2
    2-Isopropylidene-cyclopent-4-ene-1,3-diol
    —— 2-(2-methyltetrahydrofuran-2-yl)-4-phenyl-3-(1H-tetrazol-5-yl)-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridine 1569827-20-8 C22H25N5O
    2-(2-methyltetrahydrofuran-2-yl)-4-phenyl-3-(1H-tetrazol-5-yl)-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridine
    —— 2-Amino-cyclohex-1-enecarboxylic acid phenethyl-amide 854133-37-2 C15H20N2O
    2-Amino-cyclohex-1-enecarboxylic acid phenethyl-amide
    —— 2-acetamido-1-O-benzoyl-6-bromo-2,6-dideoxy-3-O-<D-1-(methoxycarbonyl)ethyl>-α-D-glucopyranose 92921-72-7 C19H24BrNO8
    2-acetamido-1-O-benzoyl-6-bromo-2,6-dideoxy-3-O-<D-1-(methoxycarbonyl)ethyl>-α-D-glucopyranose
    —— 2-[Bis-(3,7-dimethyl-oct-6-enyl)-amino]-propan-1-ol 102699-55-8 C23H45NO
    2-[Bis-(3,7-dimethyl-oct-6-enyl)-amino]-propan-1-ol
    —— (20E)-21-Methoxycarbonyl-19-nor-5β-pregna-8(14),20-dien-3β-acetat 111128-61-1 C24H34O4
    (20E)-21-Methoxycarbonyl-19-nor-5β-pregna-8(14),20-dien-3β-acetat
    —— 2-[benzyl[2-(2-ethoxyphenoxy)-1-methylethyl]amino]-1-ethanol 449195-25-9 C20H27NO3
    2-[benzyl[2-(2-ethoxyphenoxy)-1-methylethyl]amino]-1-ethanol
    —— (2R,2'R)-2,2'-(((2S,2'S)-1,1'-(2,2'-((1,4-phenylenebis(methylene))bis(1H-indole-1,3-diyl))bis(2-oxoacetyl))bis(pyrrolidine-1,2-diyl-2-carbonyl))bis(azanediyl))bis(3-mercaptopropanoic acid) 1610426-94-2 C44H44N6O10S2
    (2R,2'R)-2,2'-(((2S,2'S)-1,1'-(2,2'-((1,4-phenylenebis(methylene))bis(1H-indole-1,3-diyl))bis(2-oxoacetyl))bis(pyrrolidine-1,2-diyl-2-carbonyl))bis(azanediyl))bis(3-mercaptopropanoic acid)
    —— 2-((E?)-3,4-dimethoxy-benzylidene)-5-((E?)-4-isopropyl-benzylidene)-cyclopentanone 114278-27-2 C24H26O3
    2-((E?)-3,4-dimethoxy-benzylidene)-5-((E?)-4-isopropyl-benzylidene)-cyclopentanone
    —— 2-β-D-ribofuranosyl-thiazole-4,5-dicarboxylic acid diamide 60084-07-3 C10H13N3O6S
    2-β-D-ribofuranosyl-thiazole-4,5-dicarboxylic acid diamide
    —— 2-<(2-Nitrophenyl)thio>-1-cycloheptanon 91222-07-0 C13H15NO3S
    2-<(2-Nitrophenyl)thio>-1-cycloheptanon
    —— 2-methyl-2-oxaline 2-ethyl-2-oxaline fluorochloroboron cation 220228-26-2 C9H16BClFN2O2
    2-methyl-2-oxaline 2-ethyl-2-oxaline fluorochloroboron cation
    —— (2-cyclopropyl-6-iodoimidazo[1,2-a]pyridin-3-yl)methanol 1447912-72-2 C11H11IN2O
    (2-cyclopropyl-6-iodoimidazo[1,2-a]pyridin-3-yl)methanol
    —— [(2,6-dimesitylphenyl)(2,6-diethylphenyl)Ge(μ-S)2Ru(η6-benzene)] 912672-31-2 C40H44GeRuS2
    [(2,6-dimesitylphenyl)(2,6-diethylphenyl)Ge(μ-S)2Ru(η6-benzene)]
    —— 2-(3,4-bis((4-methoxybenzyl)oxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 1258311-37-3 C28H33BO6
    2-(3,4-bis((4-methoxybenzyl)oxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
    —— (2R,3R,4R,5R)-4-acetoxy-2,3-bis(tert-butyldimethylsilyloxy)-5,6-epithiohexanal diethylacetal 612051-32-8 C24H50O6SSi2
    (2R,3R,4R,5R)-4-acetoxy-2,3-bis(tert-butyldimethylsilyloxy)-5,6-epithiohexanal diethylacetal
    —— 2-(2-(5-methoxy)furanyl)-3-phenyl-1-pivaloylindoline 87091-19-8 C24H25NO3
    2-(2-(5-methoxy)furanyl)-3-phenyl-1-pivaloylindoline
    —— (2E)-3-(8-chloro-7-isopropoxy-4-isopropyl-2,2-dimethyl-2H-chromen-6-yl)-2-fluoro-but-2-en-1-ol 851037-18-8 C21H28ClFO3
    (2E)-3-(8-chloro-7-isopropoxy-4-isopropyl-2,2-dimethyl-2H-chromen-6-yl)-2-fluoro-but-2-en-1-ol
    —— 2-[[2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoyl]-ethylamino]ethyl icosa-5,8,11,14,17-pentaenoate 1424941-89-8 C34H43N3O7
    2-[[2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoyl]-ethylamino]ethyl icosa-5,8,11,14,17-pentaenoate
    —— 2-Methoxy-N-(5-propyl-[1,3,4]thiadiazol-2-yl)-benzamide 56821-19-3 C13H15N3O2S
    2-Methoxy-N-(5-propyl-[1,3,4]thiadiazol-2-yl)-benzamide
    —— 2-phenyl-2-[(1-pyrazolyl)methyl]propane-1,3-diol 586344-92-5 C13H16N2O2
    2-phenyl-2-[(1-pyrazolyl)methyl]propane-1,3-diol
    —— 2-ethyl-N,3-diphenyl-3-(1-phenylbutylamino)prop-2-enamide 116916-25-7 C27H30N2O
    2-ethyl-N,3-diphenyl-3-(1-phenylbutylamino)prop-2-enamide
    —— 2,4-bis(benzyloxy)-1-cyclohexylmethoxy-benzene 1402906-24-4 C27H30O3
    2,4-bis(benzyloxy)-1-cyclohexylmethoxy-benzene
    —— 2-{4-[3-(phenylethynyl)benzoyl]piperazin-1-yl}pyrimidine 337918-33-9 C23H20N4O
    2-{4-[3-(phenylethynyl)benzoyl]piperazin-1-yl}pyrimidine
    —— 2-[3-phenoxy-2-(1-pyrrolidinyl)propyl]-1H-isoindole-1,3(2H)-dione 890713-80-1 C21H22N2O3
    2-[3-phenoxy-2-(1-pyrrolidinyl)propyl]-1H-isoindole-1,3(2H)-dione
    —— 2-ethyl-3,3,5-trimethyl-2,3-dihydro-[1,2]oxaphosphole 2-sulfide 40618-67-5 C8H15OPS
    2-ethyl-3,3,5-trimethyl-2,3-dihydro-[1,2]oxaphosphole 2-sulfide
    —— 2-[1-(4-Hydroxy-3,5-dimethoxy-phenyl)-allyl]-benzene-1,3,5-triol 84459-29-0 C17H18O6
    2-[1-(4-Hydroxy-3,5-dimethoxy-phenyl)-allyl]-benzene-1,3,5-triol
    —— 2-Hydroxy-2-trichlormethyl-5-acetyl-5-methyl-1,3-oxazolidin-4-on 18354-44-4 C7H8Cl3NO4
    2-Hydroxy-2-trichlormethyl-5-acetyl-5-methyl-1,3-oxazolidin-4-on
    —— 2-Furancarboxamide, N-[4-(2-phenyldiazenyl)phenyl]-5-[(phenylsulfonyl)methyl]- 1012990-55-4 C24H19N3O4S
    2-Furancarboxamide, N-[4-(2-phenyldiazenyl)phenyl]-5-[(phenylsulfonyl)methyl]-
    —— (2S)-2-(tert-butoxy)-2-[(22S)-18-chloro-4,17,22,28-tetramethyl-21,27-dioxa-1,5,7,8-tetraazahexacyclo[26.2.2.1<sup>(6,9)</sup>.1<sup>(10,14)</sup>.0<sup>(2,7)</sup>.0<sup>(15,20)</sup>]tetratriaconta-2,4,6(34),8,10(33),11,13,15(20),16,18,24-undecaen-3-yl]acetic acid 1567211-86-2 C38H45ClN4O5
    (2S)-2-(tert-butoxy)-2-[(22S)-18-chloro-4,17,22,28-tetramethyl-21,27-dioxa-1,5,7,8-tetraazahexacyclo[26.2.2.1<sup>(6,9)</sup>.1<sup>(10,14)</sup>.0<sup>(2,7)</sup>.0<sup>(15,20)</sup>]tetratriaconta-2,4,6(34),8,10(33),11,13,15(20),16,18,24-undecaen-3-yl]acetic acid
    —— [2-dihexylaminomethyl-7-(3-trifluoromethyl-pyridin-2-yl)-quinazolin-4-yl]-(4-trifluoromethyl-phenyl)-amine 573688-91-2 C34H39F6N5
    [2-dihexylaminomethyl-7-(3-trifluoromethyl-pyridin-2-yl)-quinazolin-4-yl]-(4-trifluoromethyl-phenyl)-amine
    —— 2-<N-(tert-Butyloxycarbonyl)-N-(formylmethyl)amino>-4-(benzyloxy)-1-bromonaphthalene 129918-06-5 C24H24BrNO4
    2-<N-(tert-Butyloxycarbonyl)-N-(formylmethyl)amino>-4-(benzyloxy)-1-bromonaphthalene
    —— (2'S,6R)-1,6-dimethyl-6-<<2'-(1-propyl)pyrrolidinyl>carbonyl>-1,4-cyclohexadiene 115513-17-2 C16H25NO
    (2'S,6R)-1,6-dimethyl-6-<<2'-(1-propyl)pyrrolidinyl>carbonyl>-1,4-cyclohexadiene