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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-methyl-6-oxo-1(3),6-dihydro-chromeno[7,8-<i>d</i>]imidazole-8-carboxylic acid ethyl ester 30192-04-2 C14H12N2O4
    2-methyl-6-oxo-1(3),6-dihydro-chromeno[7,8-<i>d</i>]imidazole-8-carboxylic acid ethyl ester
    —— 2,2,3,3-Tetraethyl-[1,2,3]oxadigermepane 51923-96-7 C12H28Ge2O
    2,2,3,3-Tetraethyl-[1,2,3]oxadigermepane
    —— 2-benzoylamino-3-(1,3-diphenyl-1<i>H</i>-pyrazol-4-yl)-1,1-bis-(4-methoxy-phenyl)-prop-2-en-1-ol 54294-49-4 C39H33N3O4
    2-benzoylamino-3-(1,3-diphenyl-1<i>H</i>-pyrazol-4-yl)-1,1-bis-(4-methoxy-phenyl)-prop-2-en-1-ol
    —— 2-(2-Carbamoylphenylhydrazono)-acetessigsaeuremethylester 54970-78-4 C12H13N3O4
    2-(2-Carbamoylphenylhydrazono)-acetessigsaeuremethylester
    —— 2-(p-tert-Butylphenyl)-thio-chinoxalin 55338-13-1 C18H18N2S
    2-(p-tert-Butylphenyl)-thio-chinoxalin
    —— 2-[(2-Chloro-phenylamino)-methylene]-cyclohexane-1,3-dione 55118-95-1 C13H12ClNO2
    2-[(2-Chloro-phenylamino)-methylene]-cyclohexane-1,3-dione
    —— 2,2-Dimethyl-2H-benzo<b>thiapyran-1,1-dioxid 40310-55-2 C11H12O2S
    2,2-Dimethyl-2H-benzo<b>thiapyran-1,1-dioxid
    —— 2,5-dibromo-3,6-bis-(4-ethoxy-anilino)-[1,4]benzoquinone 29027-11-0 C22H20Br2N2O4
    2,5-dibromo-3,6-bis-(4-ethoxy-anilino)-[1,4]benzoquinone
    —— 2-Isopropylsulfanyl-N-methyl-thiobenzamide 52369-15-0 C11H15NS2
    2-Isopropylsulfanyl-N-methyl-thiobenzamide
    —— 2-{2-[(4-Chloromethanesulfonyl-2-nitro-phenyl)-hydrazonomethyl]-phenoxy}-propionic acid ethyl ester 51507-52-9 C19H20ClN3O7S
    2-{2-[(4-Chloromethanesulfonyl-2-nitro-phenyl)-hydrazonomethyl]-phenoxy}-propionic acid ethyl ester
    —— 2-Methyl-thiobenzoic acid S-(4-nitro-phenyl) ester 39248-97-0 C14H11NO3S
    2-Methyl-thiobenzoic acid S-(4-nitro-phenyl) ester
    —— (2-benzylamino-4-oxo-4<i>H</i>-pyrido[1,2-<i>a</i>]pyrimidin-3-ylmethylene)-methyl-hydrazinethiocarbonyl chloride 29494-86-8 C18H16ClN5OS
    (2-benzylamino-4-oxo-4<i>H</i>-pyrido[1,2-<i>a</i>]pyrimidin-3-ylmethylene)-methyl-hydrazinethiocarbonyl chloride
    —— 2,2-Diphenyl-cyclononan-1,3-dion 30493-02-8 C21H22O2
    2,2-Diphenyl-cyclononan-1,3-dion
    —— 2-(7-amino-9-methyl-1,4-dithia-6,8-diaza-spiro[4.5]deca-7,9-dien-2-ylmethoxy)-ethanesulfonic acid; 2-amino-6-methyl-3<i>H</i>-pyrimidin-4-one salt 24106-49-8 C5H7N3O*C10H17N3O4S3
    2-(7-amino-9-methyl-1,4-dithia-6,8-diaza-spiro[4.5]deca-7,9-dien-2-ylmethoxy)-ethanesulfonic acid; 2-amino-6-methyl-3<i>H</i>-pyrimidin-4-one salt
    —— 2,3-dimethyl-5,6,7,8-tetrahydro-naphtho[2,3-<i>b</i>]furan-5-ol 24484-82-0 C14H16O2
    2,3-dimethyl-5,6,7,8-tetrahydro-naphtho[2,3-<i>b</i>]furan-5-ol
    —— [2]naphthyl-carbamic acid-(2-chloro-ethyl ester) 25216-39-1 C13H12ClNO2
    [2]naphthyl-carbamic acid-(2-chloro-ethyl ester)
    —— 2-methyl-1-[2,3,4,5-tetramethyl-6-(nitromethyl)phenyl]propan-1-one 103224-71-1 C15H21NO3
    2-methyl-1-[2,3,4,5-tetramethyl-6-(nitromethyl)phenyl]propan-1-one
    —— 2-Ethyl-2-(1-brom-2-naphthyl)-1,3-indandion 32931-24-1 C21H15BrO2
    2-Ethyl-2-(1-brom-2-naphthyl)-1,3-indandion
    —— 2-(4-chloro-benzoyl)-2,5,6,7,8,9-hexahydro-[1,2,3,5]thiatriazolo[5,4-<i>a</i>]azepine 3-oxide 27182-47-4 C13H14ClN3O2S
    2-(4-chloro-benzoyl)-2,5,6,7,8,9-hexahydro-[1,2,3,5]thiatriazolo[5,4-<i>a</i>]azepine 3-oxide
    —— 2α-Deuterio-4,4-dimethyl-5α-cholestanol-(3β) 107225-61-6 C29H52O
    2α-Deuterio-4,4-dimethyl-5α-cholestanol-(3β)
    —— 2-Cyano-3-methyl-bicyclo<2.2.2>octan 26116-79-0 C10H15N
    2-Cyano-3-methyl-bicyclo<2.2.2>octan
    —— (2,2-Diphenoxy-4,4,5,5-tetrakis-trifluoromethyl-2λ<sup>5</sup>-[1,3,2]dioxaphospholan-2-yl)-dimethyl-amine 51974-05-1 C20H16F12NO4P
    (2,2-Diphenoxy-4,4,5,5-tetrakis-trifluoromethyl-2λ<sup>5</sup>-[1,3,2]dioxaphospholan-2-yl)-dimethyl-amine
    —— 2'-deoxy-2'-difluoromethylene-5'-O-dimethoxytrityl-3'-O-trimethylsilylethoxymethyluridine 262289-27-0 C37H42F2N2O8Si
    2'-deoxy-2'-difluoromethylene-5'-O-dimethoxytrityl-3'-O-trimethylsilylethoxymethyluridine
    —— 2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->9)-(methyl 5-acetamido-4,7,8-tri-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosid)onate 130531-34-9 C43H66N2O24Si
    2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->9)-(methyl 5-acetamido-4,7,8-tri-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosid)onate
    —— 2-N,N-dimethylamino-5-dimethylcarbamoyl-4-methyl-1,3-oxazin-6-one 141860-85-7 C10H15N3O3
    2-N,N-dimethylamino-5-dimethylcarbamoyl-4-methyl-1,3-oxazin-6-one
    —— (2R,3S,4S)-2,4,5-tris(p-methoxybenzyloxy)-pentane-1,3-diol 1101107-57-6 C29H36O8
    (2R,3S,4S)-2,4,5-tris(p-methoxybenzyloxy)-pentane-1,3-diol
    —— 2'-benzyl 2-methyl 4-(isobutylamino)carbonyl-4'-methylbiphenyl-2,2'-dicarboxylate 790230-10-3 C28H29NO5
    2'-benzyl 2-methyl 4-(isobutylamino)carbonyl-4'-methylbiphenyl-2,2'-dicarboxylate
    —— 2-dimethylphosphanylethyl(dimethyl)phosphane;toluene;tungsten dihydride 87732-89-6 C13H26P2W
    2-dimethylphosphanylethyl(dimethyl)phosphane;toluene;tungsten dihydride
    —— 2-(4-cyclohexylamino-3-nitrophenyl)benzoxazole 1256968-16-7 C19H19N3O3
    2-(4-cyclohexylamino-3-nitrophenyl)benzoxazole
    —— 2-ethyl 4-methyl 5-(naphthalen-2-yl)thiophene-2,4-dicarboxylate 1198565-60-4 C19H16O4S
    2-ethyl 4-methyl 5-(naphthalen-2-yl)thiophene-2,4-dicarboxylate
    —— 2-Anilino-1-(4-chlorphenylsulfonyl)-1-methoxyethylen 60417-06-3 C15H14ClNO3S
    2-Anilino-1-(4-chlorphenylsulfonyl)-1-methoxyethylen
    —— 2-[19-(Oxan-2-yloxy)nonadecoxy]oxane 618099-70-0 C29H56O4
    2-[19-(Oxan-2-yloxy)nonadecoxy]oxane
    —— 2,7-diamino-1-methyl-8-hydroxy[1,2,4]triazolo [1,5-c]pyrimidine-5-thione 157273-56-8 C6H8N6OS
    2,7-diamino-1-methyl-8-hydroxy[1,2,4]triazolo [1,5-c]pyrimidine-5-thione
    —— 2-acetamido-N-[(4-methoxy-6-methylpyrimidin-2-yl)aminocarbonyl]benzenesulfonamide 85474-85-7 C15H17N5O5S
    2-acetamido-N-[(4-methoxy-6-methylpyrimidin-2-yl)aminocarbonyl]benzenesulfonamide
    —— 2-Acetoxy-4,5-dibromo-benzoic acid 107208-39-9 C9H6Br2O4
    2-Acetoxy-4,5-dibromo-benzoic acid
    —— 2,6-di-(4-dimethylaminophenyl)aniline 1097192-03-4 C22H25N3
    2,6-di-(4-dimethylaminophenyl)aniline
    —— 2,6-Bis(p-bromophenyl)-3a,5,6,6a-tetrahydro-3a,6a-diphenyl-5exo-styryloxazolo<4,5-d>-1,2,3-triazol-2-ium-1-ide 112342-39-9 C35H26Br2N4O
    2,6-Bis(p-bromophenyl)-3a,5,6,6a-tetrahydro-3a,6a-diphenyl-5exo-styryloxazolo<4,5-d>-1,2,3-triazol-2-ium-1-ide
    —— 2-[1(S)-[[(diphenylmethoxy)acetyl]amino]-2-methylpropyl]-5-methyl-4H-3,1-benzoxazin-4-one 151220-69-8 C28H28N2O4
    2-[1(S)-[[(diphenylmethoxy)acetyl]amino]-2-methylpropyl]-5-methyl-4H-3,1-benzoxazin-4-one
    —— ((2S,3R,4S)-6-bromo-2,4-diphenyl-2,3,4,9-tetrahydro-1H-carbazol-3-yl)methanol 1415335-45-3 C25H22BrNO
    ((2S,3R,4S)-6-bromo-2,4-diphenyl-2,3,4,9-tetrahydro-1H-carbazol-3-yl)methanol
    —— 2,4-dimesityl-1,3-diphenyl-1,3,2,4-diazadiborete-1,3-diium-2,4-diuide 251316-44-6 C30H32B2N2
    2,4-dimesityl-1,3-diphenyl-1,3,2,4-diazadiborete-1,3-diium-2,4-diuide
    —— 2-phenyl-oxazole-4-carboxylic acid pyridin-2-ylamide 59171-69-6 C15H11N3O2
    2-phenyl-oxazole-4-carboxylic acid pyridin-2-ylamide
    —— 2-Cyan-3-methylamino-crotonsaeure-ethylester 70375-69-8 C8H12N2O2
    2-Cyan-3-methylamino-crotonsaeure-ethylester
    —— 2-Enantoyl-5-isoamyloxy-phenol 14683-95-5 C18H28O3
    2-Enantoyl-5-isoamyloxy-phenol
    —— 2-[2-(4-iodophenyl)-2-oxoethyl]isoindole-1,3-dione 1253733-66-2 C16H10INO3
    2-[2-(4-iodophenyl)-2-oxoethyl]isoindole-1,3-dione
    —— 2,4-bis-acetylamino-6-[2-(5-nitro-furan-2-yl)-vinyl]-[1,3,5]triazine 2770-86-7 C13H12N6O5
    2,4-bis-acetylamino-6-[2-(5-nitro-furan-2-yl)-vinyl]-[1,3,5]triazine
    —— 2-(5'-phenyloxy-2'-cyclopentenyl)-phenol 106550-34-9 C17H16O2
    2-(5'-phenyloxy-2'-cyclopentenyl)-phenol
    —— 2,2-dimethyl-5-hexen-1-al tosylhydrazone 145770-03-2 C15H22N2O2S
    2,2-dimethyl-5-hexen-1-al tosylhydrazone
    —— 2-Methoxy-6-ethylsulfonyl-3,4-dihydro-2H-1,4-benzoxazin-3-on 27392-98-9 C11H13NO5S
    2-Methoxy-6-ethylsulfonyl-3,4-dihydro-2H-1,4-benzoxazin-3-on
    —— 2-(3,4-Diethoxy-phenyl)-5,6-diethoxy-1H-indene 38199-98-3 C23H28O4
    2-(3,4-Diethoxy-phenyl)-5,6-diethoxy-1H-indene
    —— 2,5-Dinitro-1,5-bis(p-toluidino)-pentan 34656-19-4 C19H24N4O4
    2,5-Dinitro-1,5-bis(p-toluidino)-pentan