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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,2-diphenylethyl benzoate 111583-55-2 C21H18O2
    2,2-diphenylethyl benzoate
    —— 2,4-Dichlor-3-bromphenol 13659-21-7 C6H3BrCl2O
    2,4-Dichlor-3-bromphenol
    —— 2-(4'-Methoxyphthalimido)glutaranhydrid 64138-98-3 C14H11NO6
    2-(4'-Methoxyphthalimido)glutaranhydrid
    —— 2-Formyl-3-nitrothiophen-5-carbonsaeuremethylester 66117-30-4 C7H5NO5S
    2-Formyl-3-nitrothiophen-5-carbonsaeuremethylester
    —— 2-Chloro-1-(3,5-dichloro-thiophen-2-yl)-ethanol 62673-75-0 C6H5Cl3OS
    2-Chloro-1-(3,5-dichloro-thiophen-2-yl)-ethanol
    —— 2-[2-(1,1-dioxo-1λ<sup>6</sup>-[1,2]thiazinan-2-yl)-benzoylamino]-benzoic acid methyl ester 63170-35-4 C19H20N2O5S
    2-[2-(1,1-dioxo-1λ<sup>6</sup>-[1,2]thiazinan-2-yl)-benzoylamino]-benzoic acid methyl ester
    —— 2'-ethyl-3-methyl-1-phenyl-1,5,1',4'-tetrahydro-2'<i>H</i>-spiro[pyrazole-4,3'-quinoline] 65406-77-1 C20H23N3
    2'-ethyl-3-methyl-1-phenyl-1,5,1',4'-tetrahydro-2'<i>H</i>-spiro[pyrazole-4,3'-quinoline]
    —— 2-(3-methyl-but-2-enyl)-4-phenyl-2-(3,4,5-trimethoxy-phenyl)-2<i>H</i>-oxazol-5-one 62045-68-5 C23H25NO5
    2-(3-methyl-but-2-enyl)-4-phenyl-2-(3,4,5-trimethoxy-phenyl)-2<i>H</i>-oxazol-5-one
    —— 2-{1-[3-(2-chloro-phenothiazin-10-yl)-propyl]-piperidin-3-yl}-1-(4-fluoro-phenyl)-ethanone 64996-08-3 C28H28ClFN2OS
    2-{1-[3-(2-chloro-phenothiazin-10-yl)-propyl]-piperidin-3-yl}-1-(4-fluoro-phenyl)-ethanone
    —— 2-[2-(5-bromo-2-methoxy-benzylsulfanyl)-phenyl]-1,4,5,6-tetrahydropyrimidine; hydrochloride 326480-63-1 C18H19BrN2OS*ClH
    2-[2-(5-bromo-2-methoxy-benzylsulfanyl)-phenyl]-1,4,5,6-tetrahydropyrimidine; hydrochloride
    —— (2R,11R)-6-Allyl-3-cyclobutylmethyl-8,11-dimethoxy-11-methyl-1,2,3,4,5,6-hexahydro-2,6-methano-benzo[d]azocine 58209-35-1 C23H33NO2
    (2R,11R)-6-Allyl-3-cyclobutylmethyl-8,11-dimethoxy-11-methyl-1,2,3,4,5,6-hexahydro-2,6-methano-benzo[d]azocine
    —— (2R,11R)-6-Allyl-3-cyclopropylmethyl-8,11-dimethoxy-11-methyl-1,2,3,4,5,6-hexahydro-2,6-methano-benzo[d]azocine 58209-18-0 C22H31NO2
    (2R,11R)-6-Allyl-3-cyclopropylmethyl-8,11-dimethoxy-11-methyl-1,2,3,4,5,6-hexahydro-2,6-methano-benzo[d]azocine
    —— (2S)-N-hydroxy-2-[5-(4-(2-ethylaminocarbonylethyl)-phenyl)-2-thienyl]-3,4,5,6-tetrahydro-2H-thiopyran-2-acetamide 1,1-dioxide 282112-87-2 C22H28N2O5S2
    (2S)-N-hydroxy-2-[5-(4-(2-ethylaminocarbonylethyl)-phenyl)-2-thienyl]-3,4,5,6-tetrahydro-2H-thiopyran-2-acetamide 1,1-dioxide
    —— (2R)-3-[(1S,5S,6R)-6-[(E)-1,4-dimethylpent-1-enyl]-1,3,5-trimethyl-2-oxocyclohex-3-enyl]-2-methyl-3-oxo-propionaldehyde 851450-24-3 C20H30O3
    (2R)-3-[(1S,5S,6R)-6-[(E)-1,4-dimethylpent-1-enyl]-1,3,5-trimethyl-2-oxocyclohex-3-enyl]-2-methyl-3-oxo-propionaldehyde
    —— 2,3-dibenzoyl-1,1,4,4-tetra-<i>p</i>-tolyl-tetrazane 873401-45-7 C42H38N4O2
    2,3-dibenzoyl-1,1,4,4-tetra-<i>p</i>-tolyl-tetrazane
    —— (2-Amino-phenyl)-(5,6,7,8-tetrahydro-naphthalen-2-yl)-methanone 54537-99-4 C17H17NO
    (2-Amino-phenyl)-(5,6,7,8-tetrahydro-naphthalen-2-yl)-methanone
    —— 2-(3-Oxopiperazin-1-yl)acetic acid hydrochloride 2060053-75-8 C6H11ClN2O3
    2-(3-Oxopiperazin-1-yl)acetic acid hydrochloride
    —— (2S)-1-[(3R)-3-(4-chlorophenyl)-4-(2-fluoro-4-methoxyphenyl)piperazin-1-yl]-2-[6-(hydroxymethyl)pyridin-3-yl]propan-2-ol 1427714-05-3 C26H29ClFN3O3
    (2S)-1-[(3R)-3-(4-chlorophenyl)-4-(2-fluoro-4-methoxyphenyl)piperazin-1-yl]-2-[6-(hydroxymethyl)pyridin-3-yl]propan-2-ol
    —— 2-[2-(4-bromo-phenoxy)-ethylsulfanyl]-1-methyl-1<i>H</i>-imidazole 53869-17-3 C12H13BrN2OS
    2-[2-(4-bromo-phenoxy)-ethylsulfanyl]-1-methyl-1<i>H</i>-imidazole
    —— 2,4-Di-(N-phenyl,N-methyl)amino-7-chlor-3H-1,5-benzodiazepin 64068-15-1 C23H21ClN4
    2,4-Di-(N-phenyl,N-methyl)amino-7-chlor-3H-1,5-benzodiazepin
    —— 2,8-bis-ethylsulfanyl-3,9-diaza-1,7(2,5)-di-thiophena-cyclododecaphane-2,8-diene 65984-78-3 C20H26N2S4
    2,8-bis-ethylsulfanyl-3,9-diaza-1,7(2,5)-di-thiophena-cyclododecaphane-2,8-diene
    —— 2,6-di((2H3)methyl)-3,5-dimethylpyridine 82005-52-5 C9H13N
    2,6-di((2H3)methyl)-3,5-dimethylpyridine
    —— (2S,3R,4R,5S,6R)-2-[4-chloro-3-[[4-(N-methoxy-C-phenylcarbonimidoyl)phenyl]methyl]phenyl]-6-(hydroxymethyl)oxane-3,4,5-triol 1416164-95-8 C27H28ClNO6
    (2S,3R,4R,5S,6R)-2-[4-chloro-3-[[4-(N-methoxy-C-phenylcarbonimidoyl)phenyl]methyl]phenyl]-6-(hydroxymethyl)oxane-3,4,5-triol
    —— 2-(4-Hydroxy-2,2,8-trimethyl-chroman-7-yloxy)-N-phenyl-acetamide 133035-72-0 C20H23NO4
    2-(4-Hydroxy-2,2,8-trimethyl-chroman-7-yloxy)-N-phenyl-acetamide
    —— 2,5-Dimethyl-oxazol-methohydroxyd 120089-78-3 C6H10NO*I
    2,5-Dimethyl-oxazol-methohydroxyd
    —— 2-Jod-acetophenon-<dimethyl-hydrazon> 5757-95-9 C10H13IN2
    2-Jod-acetophenon-<dimethyl-hydrazon>
    —— (2-hydroxy-phenyl)-(4-methyl-2-phenyl-pyrimidin-5-yl)-methanone 64469-22-3 C18H14N2O2
    (2-hydroxy-phenyl)-(4-methyl-2-phenyl-pyrimidin-5-yl)-methanone
    —— 2-pyrrol-2-yl-5,6-dihydro-4<i>H</i>-[1,3]oxazine 62460-60-0 C8H10N2O
    2-pyrrol-2-yl-5,6-dihydro-4<i>H</i>-[1,3]oxazine
    —— (2S,3S,6S)-7-Methoxy-2-((3S,8S,9S,10R,13S,14S,17R)-3-methoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-6-methyl-heptan-3-ol 64142-18-3 C29H50O3
    (2S,3S,6S)-7-Methoxy-2-((3S,8S,9S,10R,13S,14S,17R)-3-methoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-6-methyl-heptan-3-ol
    —— 2-Methoxy-5,6a-dimethyl-6a,7,10,11-tetrahydro-6H-indeno[4,5-h]isoquinolin-7-ol 64761-57-5 C19H21NO2
    2-Methoxy-5,6a-dimethyl-6a,7,10,11-tetrahydro-6H-indeno[4,5-h]isoquinolin-7-ol
    —— 2',3'-O-Isopropylidendenosin-8-thiocarboxamid 70255-62-8 C14H18N6O4S
    2',3'-O-Isopropylidendenosin-8-thiocarboxamid
    —— 2-benzyl-4,4,8-trimethyl-1-oxa-2-aza-spiro[2.5]octane 73141-73-8 C16H23NO
    2-benzyl-4,4,8-trimethyl-1-oxa-2-aza-spiro[2.5]octane
    —— 2,3-Dimethyl-5-(2-carboxyvinyl)-indol 70447-61-9 C13H13NO2
    2,3-Dimethyl-5-(2-carboxyvinyl)-indol
    —— 2,3-Diamino-5-[2-(trifluoromethyl)phenyl]benzonitrile 1276126-62-5 C14H10F3N3
    2,3-Diamino-5-[2-(trifluoromethyl)phenyl]benzonitrile
    —— 2-methoxy-1,6-dioxa-spiro[4.4]nonane 37058-99-4 C8H14O3
    2-methoxy-1,6-dioxa-spiro[4.4]nonane
    —— (2S,3R)-1-[(2S,5S)-2,5-bis(methoxymethoxymethyl)pyrrolidin-1-yl]-3-hydroxy-2,4,4-trimethylpentan-1-one 103616-61-1 C18H35NO6
    (2S,3R)-1-[(2S,5S)-2,5-bis(methoxymethoxymethyl)pyrrolidin-1-yl]-3-hydroxy-2,4,4-trimethylpentan-1-one
    —— (2S,3R)-1-[tert-butyl(diphenyl)silyl]oxy-4-[(1S,3R,4R)-3-methoxy-4-tri(propan-2-yl)silyloxycyclohexyl]-3-methylbutan-2-ol 157837-32-6 C37H62O4Si2
    (2S,3R)-1-[tert-butyl(diphenyl)silyl]oxy-4-[(1S,3R,4R)-3-methoxy-4-tri(propan-2-yl)silyloxycyclohexyl]-3-methylbutan-2-ol
    —— 2',3'-O-isopropylidene-N-acetylcytidin-5'-yl-methylenebis(phosphonic acid) 374747-73-6 C15H23N3O11P2
    2',3'-O-isopropylidene-N-acetylcytidin-5'-yl-methylenebis(phosphonic acid)
    —— 2-(benzyloxycarbonylamino)-6-(7-carboxyheptanoylamino)hexanoic acid 675587-74-3 C22H32N2O7
    2-(benzyloxycarbonylamino)-6-(7-carboxyheptanoylamino)hexanoic acid
    —— 2a,3,10b,10c-tetramethyl-1,2-bis-methylene-7-phenyl-1,2,2a,4,10b,10c-hexahydro-10<i>H</i>-cyclopropa[1,6]pentaleno[1,2-<i>d</i>][1,2,4]triazolo[1,2-<i>a</i>]pyridazine-6,8-dione 64235-51-4 C24H25N3O2
    2a,3,10b,10c-tetramethyl-1,2-bis-methylene-7-phenyl-1,2,2a,4,10b,10c-hexahydro-10<i>H</i>-cyclopropa[1,6]pentaleno[1,2-<i>d</i>][1,2,4]triazolo[1,2-<i>a</i>]pyridazine-6,8-dione
    —— 2-<4-(3-Phenyl-pyrazol-1-yl)-stilben-4'-yl>-2H-naphtho<1,2-d>triazol 71942-84-2 C33H23N5
    2-<4-(3-Phenyl-pyrazol-1-yl)-stilben-4'-yl>-2H-naphtho<1,2-d>triazol
    —— 2,2',2''-Trihydroxy-5,5',5''-triisopropyltriphenylmethan 41514-11-8 C28H34O3
    2,2',2''-Trihydroxy-5,5',5''-triisopropyltriphenylmethan
    —— 2-(1-Butyl-10-methyl-1,10-dihydro-1,2,9,10-tetraaza-anthracen-3-ylamino)-butan-1-ol; hydrochloride 70971-36-7 C19H27N5O*ClH
    2-(1-Butyl-10-methyl-1,10-dihydro-1,2,9,10-tetraaza-anthracen-3-ylamino)-butan-1-ol; hydrochloride
    —— 2,2-diphenyl-propionic acid-(3-dimethylamino-2,2-dimethyl-propyl ester) 3579-33-7 C22H29NO2
    2,2-diphenyl-propionic acid-(3-dimethylamino-2,2-dimethyl-propyl ester)
    —— (+/-)-2-<2-Diethylamino-1,1-dimethyl-ethyl>-1-propyl-piperidin 93314-16-0 C16H34N2
    (+/-)-2-<2-Diethylamino-1,1-dimethyl-ethyl>-1-propyl-piperidin
    —— 2-Methoxymethyl-17α-methyloestradiol 15410-32-9 C21H30O3
    2-Methoxymethyl-17α-methyloestradiol
    —— 2,5-Bis-(4-hydroxy-phenylamino)-terephthalic acid diethyl ester 95620-78-3 C24H24N2O6
    2,5-Bis-(4-hydroxy-phenylamino)-terephthalic acid diethyl ester
    —— 2-(2-Benzyloxycarbonylamino-4-methyl-pentanoylamino)-3-(3,4-bis-benzyloxycarbonyloxy-phenyl)-propionic acid benzyl ester 37399-51-2 C46H46N2O11
    2-(2-Benzyloxycarbonylamino-4-methyl-pentanoylamino)-3-(3,4-bis-benzyloxycarbonyloxy-phenyl)-propionic acid benzyl ester
    —— 2-Dimethylamino-4-methyl-6-(N'-methyl-N'-phenyl-hydrazino)-nicotinonitrile 51563-95-2 C16H19N5
    2-Dimethylamino-4-methyl-6-(N'-methyl-N'-phenyl-hydrazino)-nicotinonitrile
    —— 2-(4-Chlorophenyl)-3-oxo-3-(thiophen-2-yl)propanenitrile 96514-30-6 C13H8ClNOS
    2-(4-Chlorophenyl)-3-oxo-3-(thiophen-2-yl)propanenitrile