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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-methyl-3H-pyrido<3,2,1-ij><1,2,4>benzotriazin-4-ylium-3-ide 62937-26-2 C11H9N3
    2-methyl-3H-pyrido<3,2,1-ij><1,2,4>benzotriazin-4-ylium-3-ide
    —— 2,8-Dimethyl-12-oxo-dioxazolo<5.4-a,5'.4'-h>xanthen 20377-19-9 C17H10N2O4
    2,8-Dimethyl-12-oxo-dioxazolo<5.4-a,5'.4'-h>xanthen
    —— 2-isopropenyl-5-methyl-4-hexenal ethylene glycol acetal 104543-27-3 C12H20O2
    2-isopropenyl-5-methyl-4-hexenal ethylene glycol acetal
    —— 2-(7-(5-(5-isopropoxypyrazin-2-yl)-1,2,4-oxadiazol-3-yl)-1,2,3,4-tetrahydrocyclopenta[b]indol-3-yl)acetic acid 1163140-62-2 C22H21N5O4
    2-(7-(5-(5-isopropoxypyrazin-2-yl)-1,2,4-oxadiazol-3-yl)-1,2,3,4-tetrahydrocyclopenta[b]indol-3-yl)acetic acid
    —— (2S,3R,4S,5S,6S)-4-Allyloxy-5-(tert-butyl-dimethyl-silanyloxy)-6-methyl-2-phenylsulfanyl-tetrahydro-pyran-3-ol 400737-82-8 C21H34O4SSi
    (2S,3R,4S,5S,6S)-4-Allyloxy-5-(tert-butyl-dimethyl-silanyloxy)-6-methyl-2-phenylsulfanyl-tetrahydro-pyran-3-ol
    —— 2-Chloro-5-(dimethylamino)benzenesulfonyl chloride 62533-40-8 C8H9Cl2NO2S
    2-Chloro-5-(dimethylamino)benzenesulfonyl chloride
    —— 21-chloro-6α,21-difluoro-16α,17α-isopropylidenedioxypregna-1,4,9(11)-triene-3,20-dione 66245-00-9 C24H27ClF2O4
    21-chloro-6α,21-difluoro-16α,17α-isopropylidenedioxypregna-1,4,9(11)-triene-3,20-dione
    —— (2E,4E,8E,6R,7S)-7-[6-deoxy-4-O-methyl-2,3-O-(1,1,4,4-tetraphenyldisilabutan-1,4-diyl)-α-L-glucopyranosyl]-1-hydroxy-9-iodo-2,4,6-trimethyl-2,4,8-nonatriene 847944-45-0 C45H53IO6Si2
    (2E,4E,8E,6R,7S)-7-[6-deoxy-4-O-methyl-2,3-O-(1,1,4,4-tetraphenyldisilabutan-1,4-diyl)-α-L-glucopyranosyl]-1-hydroxy-9-iodo-2,4,6-trimethyl-2,4,8-nonatriene
    —— (2S,3S,4R,5S,6S)-2-Benzyloxy-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-4,6-dimethyl-3-phenylsulfanyl-tetrahydro-pyran 400738-11-6 C32H52O4SSi2
    (2S,3S,4R,5S,6S)-2-Benzyloxy-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-4,6-dimethyl-3-phenylsulfanyl-tetrahydro-pyran
    —— (2S)-2-(tert-butyldiphenylsilanyloxymethyl)-4-formyl-2,5-dihydrofuran 1065271-66-0 C22H26O3Si
    (2S)-2-(tert-butyldiphenylsilanyloxymethyl)-4-formyl-2,5-dihydrofuran
    —— 2-[3-(3,4-Dichloro-benzyl)-2-oxo-2,3-dihydro-benzoimidazol-1-yl]-propionic acid ethyl ester 75389-68-3 C19H18Cl2N2O3
    2-[3-(3,4-Dichloro-benzyl)-2-oxo-2,3-dihydro-benzoimidazol-1-yl]-propionic acid ethyl ester
    —— 2-(2-Allyl-5-oxo-2,5-dihydro-furan-2-yl)-piperidine-1-carboxylic acid tert-butyl ester 331472-95-8 C17H25NO4
    2-(2-Allyl-5-oxo-2,5-dihydro-furan-2-yl)-piperidine-1-carboxylic acid tert-butyl ester
    —— 2-(5-fluoro-4-methoxy-1-methyl-1H-indol-3-yl)-N-(1-phenylethyl)ethanamine 1265218-10-7 C20H23FN2O
    2-(5-fluoro-4-methoxy-1-methyl-1H-indol-3-yl)-N-(1-phenylethyl)ethanamine
    —— 2-(2-(1H-imidazol-4-yl)phenoxy)-2,3-dihydro-1H-inden-1-one 1192814-90-6 C18H14N2O2
    2-(2-(1H-imidazol-4-yl)phenoxy)-2,3-dihydro-1H-inden-1-one
    —— 2-(3-fluoropropylamino)-4-[4-(quinolin-3-yl)-9H-carbazol-9-yl]benzamide 1190423-76-7 C31H25FN4O
    2-(3-fluoropropylamino)-4-[4-(quinolin-3-yl)-9H-carbazol-9-yl]benzamide
    —— 2-bromo-5-fluoro-9H-xanthen-9-one 1148130-46-4 C13H6BrFO2
    2-bromo-5-fluoro-9H-xanthen-9-one
    —— (2R,3S,4S,5S,6R)-4,5-bis(benzyloxy)-6-[(benzyloxy)methyl]-3-hydroxy-2-methoxy-1,2-oxaphosphinane 2-sulfide 1548324-05-5 C27H31O6PS
    (2R,3S,4S,5S,6R)-4,5-bis(benzyloxy)-6-[(benzyloxy)methyl]-3-hydroxy-2-methoxy-1,2-oxaphosphinane 2-sulfide
    —— (2'R)-N-tert-butylsulfonyl-2-(2-amino-2-phenylethyl)oxirane 1072804-86-4 C14H21NO3S
    (2'R)-N-tert-butylsulfonyl-2-(2-amino-2-phenylethyl)oxirane
    —— 2-Acetyl-N-tert-butyl-3-(2,6-dimethylanilino)crotonsaeure-amid 75350-26-4 C18H26N2O2
    2-Acetyl-N-tert-butyl-3-(2,6-dimethylanilino)crotonsaeure-amid
    —— 2-[allyl-(2-nitrobenzenesulfonyl)-amino]-pent-4-ynoic acid methyl ester 191215-94-8 C15H16N2O6S
    2-[allyl-(2-nitrobenzenesulfonyl)-amino]-pent-4-ynoic acid methyl ester
    —— 2-(2-Propen-1-yl)thio-thiazolo<3,2-a>-s-triazin-4-on 37663-60-8 C8H7N3OS2
    2-(2-Propen-1-yl)thio-thiazolo<3,2-a>-s-triazin-4-on
    —— 2,6-dimethyl-5-(thiophen-2-ylsulfonyl)-5,6-dihydroindolo[2,3-b]indole 1431882-14-2 C20H16N2O2S2
    2,6-dimethyl-5-(thiophen-2-ylsulfonyl)-5,6-dihydroindolo[2,3-b]indole
    —— 2-(trimethylsilyl)ethyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->3)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside 1163124-17-1 C32H45N3O14Si
    2-(trimethylsilyl)ethyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->3)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside
    —— 2-(3-ethoxycarbonylpropyl)-4-phenyl-1(2H)-isoquinolinone-3-carboxylic acid ethyl ester 159820-06-1 C24H25NO5
    2-(3-ethoxycarbonylpropyl)-4-phenyl-1(2H)-isoquinolinone-3-carboxylic acid ethyl ester
    —— 2-Tert-butyl-2-(4-nitrophenyl)propanedinitrile 243653-92-1 C13H13N3O2
    2-Tert-butyl-2-(4-nitrophenyl)propanedinitrile
    —— 2-(4'-chloro-7',8'-dimethylquinolin-2'-yl)-5,7-di(tert-butyl)-1,3-tropolone 684282-69-7 C26H30ClNO2
    2-(4'-chloro-7',8'-dimethylquinolin-2'-yl)-5,7-di(tert-butyl)-1,3-tropolone
    —— 2-[[(5E)-2,5-dimethylocta-2,5-dien-4-yl]-methylamino]ethanol 97463-26-8 C13H25NO
    2-[[(5E)-2,5-dimethylocta-2,5-dien-4-yl]-methylamino]ethanol
    —— 2,7-dichloro-4-(2,6-dimethylmorpholino)quinazoline 187942-23-0 C14H15Cl2N3O
    2,7-dichloro-4-(2,6-dimethylmorpholino)quinazoline
    —— 2,7-dimethyl-2,7-di-tert-pentylperoxy-3,5-octadiyne 96183-74-3 C20H34O4
    2,7-dimethyl-2,7-di-tert-pentylperoxy-3,5-octadiyne
    —— (2R,3S,4R,6R)-3,4-dimethoxy-2-(methoxymethyl)-6-(2-methylallyl)tetrahydro-2H-pyran 1192242-33-3 C13H24O4
    (2R,3S,4R,6R)-3,4-dimethoxy-2-(methoxymethyl)-6-(2-methylallyl)tetrahydro-2H-pyran
    —— 2-(1H-imidazol-1-yl)ethyl (trans-4-((3-((2-chloro-4-pyridinyl)carbamoyl)-8-(cyclopropylamino)imidazo[1,2-b]pyridazin-6-yl)amino)cyclohexyl)carbamate 1177412-66-6 C27H31ClN10O3
    2-(1H-imidazol-1-yl)ethyl (trans-4-((3-((2-chloro-4-pyridinyl)carbamoyl)-8-(cyclopropylamino)imidazo[1,2-b]pyridazin-6-yl)amino)cyclohexyl)carbamate
    —— 2-benzyl-2-methyl-1-phenyl-pent-4-en-1-one 860763-69-5 C19H20O
    2-benzyl-2-methyl-1-phenyl-pent-4-en-1-one
    —— 2-<4-Dimethylamino-phenyl>-napht<2.3-d>oxazol 98804-88-7 C19H16N2O
    2-<4-Dimethylamino-phenyl>-napht<2.3-d>oxazol
    —— [(2,6-(CH2P(C(CH3)3)2)2C6H3)Ru(CO)(CH3)] 708208-77-9 C26H46OP2Ru
    [(2,6-(CH2P(C(CH3)3)2)2C6H3)Ru(CO)(CH3)]
    —— (2R*,3S*)-2,3-epoxy-3(2-methoxyphenyl)-t-butylthiopropanoate 121638-48-0 C14H18O3S
    (2R*,3S*)-2,3-epoxy-3(2-methoxyphenyl)-t-butylthiopropanoate
    —— 2-methoxy-6-(4-methoxy-phenethyl)-naphthalene 77799-50-9 C20H20O2
    2-methoxy-6-(4-methoxy-phenethyl)-naphthalene
    —— 2-Hexyl-1,3,4-trimethoxy-benzene 138223-24-2 C15H24O3
    2-Hexyl-1,3,4-trimethoxy-benzene
    —— (2R*,6S*)-5-Methyl-2,3,4-triphenyl-6-p-tolyl-1,2,3,6-tetrahydropyrimidine 138356-07-7 C30H28N2
    (2R*,6S*)-5-Methyl-2,3,4-triphenyl-6-p-tolyl-1,2,3,6-tetrahydropyrimidine
    —— 2-Fluorsulfonyl-perfluorheptanoylfluorid 812-44-2 C7F14O3S
    2-Fluorsulfonyl-perfluorheptanoylfluorid
    —— 2-Cyclohexylsulfanyl-8-cyclopentyl-1-propyl-1,7-dihydro-purin-6-one 1303954-55-3 C19H28N4OS
    2-Cyclohexylsulfanyl-8-cyclopentyl-1-propyl-1,7-dihydro-purin-6-one
    —— 2-(4-{3-[2-(2-nitro-vinyl)-phenothiazin-10-yl]-propyl}-piperazin-1-yl)-ethanol 58271-73-1 C23H28N4O3S
    2-(4-{3-[2-(2-nitro-vinyl)-phenothiazin-10-yl]-propyl}-piperazin-1-yl)-ethanol
    —— 2-methyl-1-methyl-tellanyl-3-bromopropane 1362739-20-5 C5H11BrTe
    2-methyl-1-methyl-tellanyl-3-bromopropane
    —— 2-<2-(tert-butyldiphenylsiloxy)ethoxy>ethyl 2,3-epoxypent-4-enyl ether 147526-50-9 C25H34O4Si
    2-<2-(tert-butyldiphenylsiloxy)ethoxy>ethyl 2,3-epoxypent-4-enyl ether
    —— 2-(9H-Fluoren-9-yl)-N,N-dimethyl-2-propanamin 80820-44-6 C18H21N
    2-(9H-Fluoren-9-yl)-N,N-dimethyl-2-propanamin
    —— (2R-cis)-3-[[(Dimethylethoxy)carbonyl]amino]-3,4-dihydro-2-methyl-4-oxo-1,5-benzoxazepine-5(2H)-acetic acid, ethyl ester 160134-90-7 C19H26N2O6
    (2R-cis)-3-[[(Dimethylethoxy)carbonyl]amino]-3,4-dihydro-2-methyl-4-oxo-1,5-benzoxazepine-5(2H)-acetic acid, ethyl ester
    —— (2R,3S,4R,5R,6S)-2-hydroxymethyl-6-(4-m-tolylchroman-6-yl)tetrahydropyran-3,4,5-triol 1254334-57-0 C22H26O6
    (2R,3S,4R,5R,6S)-2-hydroxymethyl-6-(4-m-tolylchroman-6-yl)tetrahydropyran-3,4,5-triol
    —— (2S,15R)-4,15,17-trimethyl-2-(1-oxo-1,2-dihydro-isoquinolin-7-ylamino)-7-(2-oxo-pyrrolidin-1-yl)-13-oxa-4,11-diaza-tricyclo[14.2.2.1(6,10)]henicosa-1(19),6,8,10(21),16(20),17-hexaene-3,12-dione 1037082-08-8 C34H35N5O5
    (2S,15R)-4,15,17-trimethyl-2-(1-oxo-1,2-dihydro-isoquinolin-7-ylamino)-7-(2-oxo-pyrrolidin-1-yl)-13-oxa-4,11-diaza-tricyclo[14.2.2.1(6,10)]henicosa-1(19),6,8,10(21),16(20),17-hexaene-3,12-dione
    —— 2,6-bis(12-amino-4,9,12-tri(tert-butoxycarbonyl)-4,9-diazadodecyl)-4-chloropyrimidine 1-oxide 1225441-35-9 C54H99ClN10O13
    2,6-bis(12-amino-4,9,12-tri(tert-butoxycarbonyl)-4,9-diazadodecyl)-4-chloropyrimidine 1-oxide
    —— (2S,4aR,5S,6S,8aS)-5-Hydroxymethyl-1,1,4a,6-tetramethyl-decahydro-naphthalen-2-ol 89576-95-4 C15H28O2
    (2S,4aR,5S,6S,8aS)-5-Hydroxymethyl-1,1,4a,6-tetramethyl-decahydro-naphthalen-2-ol
    —— 2-[2-(trimethylsilyl)ethoxymethyl]-1,2,3-triazole-4-carboxylic acid 4-chloro-2-fluorophenylamide 936324-29-7 C15H20ClFN4O2Si
    2-[2-(trimethylsilyl)ethoxymethyl]-1,2,3-triazole-4-carboxylic acid 4-chloro-2-fluorophenylamide