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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Cyclooctyl-cyclohexanol-(1) 14109-18-3 C14H26O
    2-Cyclooctyl-cyclohexanol-(1)
    —— 2,5-Diallyl-2-benzenesulfonyl-cyclopentanone 98127-57-2 C17H20O3S
    2,5-Diallyl-2-benzenesulfonyl-cyclopentanone
    —— 2-allyloxy-3-[2-(tetrahydro-pyran-2-yloxy)-propoxy]-benzaldehyde 916811-83-1 C18H24O5
    2-allyloxy-3-[2-(tetrahydro-pyran-2-yloxy)-propoxy]-benzaldehyde
    —— (2-methyl cyclohexa-1,3-diene)Fe(CO)3 75765-32-1 C10H10FeO3
    (2-methyl cyclohexa-1,3-diene)Fe(CO)3
    —— 2-[4-(2-Amino-2-oxoethyl)anilino]-4-(3-methylanilino)pyrimidine-5-carboxamide 1198303-53-5 C20H20N6O2
    2-[4-(2-Amino-2-oxoethyl)anilino]-4-(3-methylanilino)pyrimidine-5-carboxamide
    —— (2S,3S,6R)-6-allyl-2,3-bis(methoxymethyl)-1,4-dioxaspiro[4.5]decan-6-ol 169737-44-4 C15H26O5
    (2S,3S,6R)-6-allyl-2,3-bis(methoxymethyl)-1,4-dioxaspiro[4.5]decan-6-ol
    —— 2-(Methyl-phenyl-amino)-benzoic acid hydrazide 208664-58-8 C14H15N3O
    2-(Methyl-phenyl-amino)-benzoic acid hydrazide
    —— 2-[2-(5,8-dimethyl[1,2,4]triazolo[1,5-a]pyrazin-2-yl)ethyl]-4-fluoroquinoline 1445745-85-6 C18H16FN5
    2-[2-(5,8-dimethyl[1,2,4]triazolo[1,5-a]pyrazin-2-yl)ethyl]-4-fluoroquinoline
    —— 2-(4-amino-3-nitrobenzoylamino)-5-benzoylbenzimidazole 129165-86-2 C21H15N5O4
    2-(4-amino-3-nitrobenzoylamino)-5-benzoylbenzimidazole
    —— 2-(4-dimethylamino-1,8-naphthalimido)ethylformamide 1352831-39-0 C17H17N3O3
    2-(4-dimethylamino-1,8-naphthalimido)ethylformamide
    —— 2-[4-(4,5,7-trifluorobenzothiazol-2-yl)methyl-3,4-dihydro-3-oxo-2H-1,4-benzoxazin-2-yl]acetic acid 158870-65-6 C18H11F3N2O4S
    2-[4-(4,5,7-trifluorobenzothiazol-2-yl)methyl-3,4-dihydro-3-oxo-2H-1,4-benzoxazin-2-yl]acetic acid
    —— 2-(2-Hydroxy-5-chlor-phenyl-hydrazono)-3-imino-buttersaeureaethylester 5352-28-3 C12H14ClN3O3
    2-(2-Hydroxy-5-chlor-phenyl-hydrazono)-3-imino-buttersaeureaethylester
    —— 2,3,4,6-Tetra-O-acetyl-D-glucono-1,5-lactone 4-phenylsemicarbazone 139951-49-8 C21H25N3O10
    2,3,4,6-Tetra-O-acetyl-D-glucono-1,5-lactone 4-phenylsemicarbazone
    —— 2,2,7,7-Tetraphenyl-6-oxa-1-thia-4-aza-spiro[2.4]hept-4-ene-5-carboxylic acid methyl ester 161467-91-0 C30H23NO3S
    2,2,7,7-Tetraphenyl-6-oxa-1-thia-4-aza-spiro[2.4]hept-4-ene-5-carboxylic acid methyl ester
    —— 2-[(R)-1-methylallyl]naphthalene 73335-32-7 C14H14
    2-[(R)-1-methylallyl]naphthalene
    —— 2-benzyloxy-5-nitro-benzoic acid ethyl ester 855749-73-4 C16H15NO5
    2-benzyloxy-5-nitro-benzoic acid ethyl ester
    —— 2-[2-Ethoxycarbonyl-2-(triphenyl-λ<sup>5</sup>-phosphanylidene)-acetyl]-benzoic acid propyl ester 87768-14-7 C33H31O5P
    2-[2-Ethoxycarbonyl-2-(triphenyl-λ<sup>5</sup>-phosphanylidene)-acetyl]-benzoic acid propyl ester
    —— 2-amino-5-cyclohexylidene-thiazol-4-one 35610-71-0 C9H12N2OS
    2-amino-5-cyclohexylidene-thiazol-4-one
    —— 2-(1-Carboxy-2-hydroxy-2-methyl-propyldisulfanyl)-3-hydroxy-3-methyl-butyric acid 72200-87-4 C10H18O6S2
    2-(1-Carboxy-2-hydroxy-2-methyl-propyldisulfanyl)-3-hydroxy-3-methyl-butyric acid
    —— 2,3-Dihydroxy-5-methyl-butyrophenon 91970-63-7 C11H14O3
    2,3-Dihydroxy-5-methyl-butyrophenon
    —— 2,2'-di-(trifluoromethyl)-4,4',5,5'-tetraamino-diphenyl-disulfide 69409-45-6 C14H12F6N4S2
    2,2'-di-(trifluoromethyl)-4,4',5,5'-tetraamino-diphenyl-disulfide
    —— 2-cyano-4-(3-octadecyl-3H-benzooxazol-2-ylidene)-but-2-enoic acid 34324-02-2 C30H44N2O3
    2-cyano-4-(3-octadecyl-3H-benzooxazol-2-ylidene)-but-2-enoic acid
    —— 2-[4-[2-[4-Ethynyl-2-[2-[4-[2-tri(propan-2-yl)silylethynyl]phenyl]ethynyl]phenyl]ethynyl]phenyl]ethynyl-tri(propan-2-yl)silane 866240-54-2 C46H54Si2
    2-[4-[2-[4-Ethynyl-2-[2-[4-[2-tri(propan-2-yl)silylethynyl]phenyl]ethynyl]phenyl]ethynyl]phenyl]ethynyl-tri(propan-2-yl)silane
    —— (2S)-2-(((2-cyano-1-phenylethoxy)carbonyl)amino)-6-((2,4-dinitrophenyl)amino)hexanoic acid 1202639-13-1 C22H23N5O8
    (2S)-2-(((2-cyano-1-phenylethoxy)carbonyl)amino)-6-((2,4-dinitrophenyl)amino)hexanoic acid
    —— 2-(p-nitrophenylthio)ethyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside 85193-62-0 C22H27NO12S
    2-(p-nitrophenylthio)ethyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside
    —— 2-(trimethylsilyl)ethyl 5-((((3-((methyl(2-(methyl(((4-(2-phenylacetamido)benzyl)oxy)carbonyl)amino)ethyl)carbamoyl)oxy)pyridin-2-yl)methoxy)carbonyl)amino)-2-nitrobenzoate 1204311-28-3 C40H46N6O11Si
    2-(trimethylsilyl)ethyl 5-((((3-((methyl(2-(methyl(((4-(2-phenylacetamido)benzyl)oxy)carbonyl)amino)ethyl)carbamoyl)oxy)pyridin-2-yl)methoxy)carbonyl)amino)-2-nitrobenzoate
    —— 2,2'-diiodo-3,3',4,4'-tetrahydro-1,1'-binaphthalene 1477520-26-5 C20H16I2
    2,2'-diiodo-3,3',4,4'-tetrahydro-1,1'-binaphthalene
    —— 2-[1-(6-hydroxyhexyl)-2,6-dimethylpyridin-4-ylidene]indene-1,3-dione 81959-75-3 C22H25NO3
    2-[1-(6-hydroxyhexyl)-2,6-dimethylpyridin-4-ylidene]indene-1,3-dione
    —— 2-Chlor-1-<4-chlor-phenyl>-hexin-(3) 104912-33-6 C12H12Cl2
    2-Chlor-1-<4-chlor-phenyl>-hexin-(3)
    —— 2,6-dimethyl-heptane-3,5-dicarbonitrile 94834-70-5 C11H18N2
    2,6-dimethyl-heptane-3,5-dicarbonitrile
    —— 2-(4-ethoxyphenyl)-2-(2,2,3,3-tetrafluorocyclobutyl)acetic acid 345211-64-5 C14H14F4O3
    2-(4-ethoxyphenyl)-2-(2,2,3,3-tetrafluorocyclobutyl)acetic acid
    —— 2-(4-methoxybenzyl)pyrazolo[4',3':5,6]pyrano[3,2-c]pyridin-4(2H)-one 929568-99-0 C17H13N3O3
    2-(4-methoxybenzyl)pyrazolo[4',3':5,6]pyrano[3,2-c]pyridin-4(2H)-one
    —— 2,3-dioxo-4-pentyl-piperazine-1-carbonyl chloride 59703-04-7 C10H15ClN2O3
    2,3-dioxo-4-pentyl-piperazine-1-carbonyl chloride
    —— 2-(2-(2-acetoxy-3-(2-(1-ethyl-3,3-dimethylindolin-2-ylidene)ethylidene)cyclohex-1-en-1-yl)vinyl)-1-ethyl-3,3-dimethyl-3H-indol-1-ium bromide 1447811-09-7 Br*C36H43N2O2
    2-(2-(2-acetoxy-3-(2-(1-ethyl-3,3-dimethylindolin-2-ylidene)ethylidene)cyclohex-1-en-1-yl)vinyl)-1-ethyl-3,3-dimethyl-3H-indol-1-ium bromide
    —— 2 [(2-phenylquinazolin-4-ylidene)hydrazonomethyl]phenyloxidozinc(II) acetate 1394844-79-1 C23H18N4O3Zn
    2 [(2-phenylquinazolin-4-ylidene)hydrazonomethyl]phenyloxidozinc(II) acetate
    —— 2-norbornylmagnesium chloride 52152-53-1 C7H11ClMg
    2-norbornylmagnesium chloride
    —— 2',4'-Dinitrophenyl 3,4,6-tri-O-acetyl-2-deoxy-2-fluoro-α-D-glucopyranoside 111524-64-2 C18H19FN2O12
    2',4'-Dinitrophenyl 3,4,6-tri-O-acetyl-2-deoxy-2-fluoro-α-D-glucopyranoside
    —— (2-chloro-2-phenoxyvinyl)phosphonic dichloride 42451-45-6 C8H6Cl3O2P
    (2-chloro-2-phenoxyvinyl)phosphonic dichloride
    —— (2E)-4,5,6-tri-O-acetyl-1,2,3-trideoxy-1-(N-propargyl-tosylamino)-D-erythro-hex-2-enose 436845-26-0 C22H27NO8S
    (2E)-4,5,6-tri-O-acetyl-1,2,3-trideoxy-1-(N-propargyl-tosylamino)-D-erythro-hex-2-enose
    —— 2-tert-butyloxycarbonylamino-2-[3-(3-undecyloxyphenyl)propyl]propane-1,3-diol 844497-29-6 C28H49NO5
    2-tert-butyloxycarbonylamino-2-[3-(3-undecyloxyphenyl)propyl]propane-1,3-diol
    —— (2S)-N-[(3R,5R)-1-azabicyclo[3.2.1]oct-3-yl]-2-[[(4-fluorobenzyl)oxy]methyl]-2,3-dihydro-1,4-benzodioxine-6-carboxamide 527683-53-0 C24H27FN2O4
    (2S)-N-[(3R,5R)-1-azabicyclo[3.2.1]oct-3-yl]-2-[[(4-fluorobenzyl)oxy]methyl]-2,3-dihydro-1,4-benzodioxine-6-carboxamide
    —— (2E)-3-(4-bromo-3-ethoxy-8-isopropyl-5,5-dimethyl-5,6-dihydro-naphthalen-2-yl)-2-fluoro-pent-2-en-1-ol 851038-49-8 C22H30BrFO2
    (2E)-3-(4-bromo-3-ethoxy-8-isopropyl-5,5-dimethyl-5,6-dihydro-naphthalen-2-yl)-2-fluoro-pent-2-en-1-ol
    —— 2,5-bis(1-hydroxy-2,2-dimethylpropyl)thiazole 3-oxide 533886-27-0 C13H23NO3S
    2,5-bis(1-hydroxy-2,2-dimethylpropyl)thiazole 3-oxide
    —— 2-<3-phenylacetamido-4-thiopropargyl-(3R,4R)-azetidin-2-on-1-yl>-phthalidyl acetate 122692-66-4 C24H20N2O6S
    2-<3-phenylacetamido-4-thiopropargyl-(3R,4R)-azetidin-2-on-1-yl>-phthalidyl acetate
    —— 2-[[[2-[[[2-[[N,N-bis[3-(n,n-dimethylamino)propyl]amino]-carbonyl]-1-methyl-1H-pyrrol-4-yl]amino]carbonyl]-1-methyl-1H-pyrrol-4-yl]amino]carbonyl]-1-methyl-4-nitropyrrole 1142136-12-6 C28H41N9O5
    2-[[[2-[[[2-[[N,N-bis[3-(n,n-dimethylamino)propyl]amino]-carbonyl]-1-methyl-1H-pyrrol-4-yl]amino]carbonyl]-1-methyl-1H-pyrrol-4-yl]amino]carbonyl]-1-methyl-4-nitropyrrole
    —— 2-((6S,9R,10S,11S,13S,16R,17S)-6,9-difluoro-11-hydroxy-16,17-((1-methylethylidene)bis(oxy))-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl carbonochloridate 1206849-93-5 C25H29ClF2O7
    2-((6S,9R,10S,11S,13S,16R,17S)-6,9-difluoro-11-hydroxy-16,17-((1-methylethylidene)bis(oxy))-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl carbonochloridate
    —— 2-chloromethyl-4-isopropylidene-4<i>H</i>-oxazol-5-one 21195-34-6 C7H8ClNO2
    2-chloromethyl-4-isopropylidene-4<i>H</i>-oxazol-5-one
    —— 2-Bromo-2-pentenedioic acid 19313-35-0 C5H5BrO4
    2-Bromo-2-pentenedioic acid
    —— 2,4-diamino-3-chloro-6-fluoropyridine 1190226-11-9 C5H5ClFN3
    2,4-diamino-3-chloro-6-fluoropyridine
    —— 2-[4-[4-(2-oxo-2,3-dihydro-1H-benzimidazol-4-yl)piperazin-1-yl]butyl]-1H-isoindole-1,3(2H)-dione 1365035-94-4 C23H25N5O3
    2-[4-[4-(2-oxo-2,3-dihydro-1H-benzimidazol-4-yl)piperazin-1-yl]butyl]-1H-isoindole-1,3(2H)-dione