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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 3-hydroxy-2-((9-oxo-4-propoxy-9H-thioxanthen-1-yl)amino)butanoic acid 1351934-55-8 C20H21NO5S
    3-hydroxy-2-((9-oxo-4-propoxy-9H-thioxanthen-1-yl)amino)butanoic acid
    —— 3-acetoxy-3,4-dimethyl-pent-4-en-2-one 90612-63-8 C9H14O3
    3-acetoxy-3,4-dimethyl-pent-4-en-2-one
    —— 3-methyl-but-3-en-2-one semicarbazone 22633-27-8 C6H11N3O
    3-methyl-but-3-en-2-one semicarbazone
    —— 3-bromopropyl ((R)-4-((5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-3,7,12-trioxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoyl)glycinate 1345012-01-2 C29H42BrNO6
    3-bromopropyl ((R)-4-((5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-3,7,12-trioxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoyl)glycinate
    —— 3',4'-dichloro-N,N-diisopropyl-[1,1'-biphenyl]-2-carboxamide 1440963-18-7 C19H21Cl2NO
    3',4'-dichloro-N,N-diisopropyl-[1,1'-biphenyl]-2-carboxamide
    —— (3S,4R,4aR,12bS)-9-methoxy-2,4,4a,5,6,7a-hexahydro-1H-spiro[4,12-methanoisothiochromeno[5,4a-b]benzofuran-7,2′-[1,3]dioxolane]3-oxide 1426537-81-6 C17H18O4S
    (3S,4R,4aR,12bS)-9-methoxy-2,4,4a,5,6,7a-hexahydro-1H-spiro[4,12-methanoisothiochromeno[5,4a-b]benzofuran-7,2′-[1,3]dioxolane]3-oxide
    —— 3-iodo-o-carborane 137495-63-7 C2H11B10I
    3-iodo-o-carborane
    —— 3<i>t</i>-phenyl-<i>N</i>-(2,2,2-trifluoro-1-trifluoromethyl-ethylidene)-acrylamide 52786-50-2 C12H7F6NO
    3<i>t</i>-phenyl-<i>N</i>-(2,2,2-trifluoro-1-trifluoromethyl-ethylidene)-acrylamide
    —— (3R,4S,5R)-ethyl 5-acetylamino-4-methanesulfonyloxy-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate 332047-23-1 C17H29NO7S
    (3R,4S,5R)-ethyl 5-acetylamino-4-methanesulfonyloxy-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate
    —— 3'-acetyl-5'-O-DMT-N<sup>2</sup>-isobutyryl-O<sup>6</sup>-(2-ethylpyridyl)-2'-deoxyguanosine 179925-35-0 C44H46N6O8
    3'-acetyl-5'-O-DMT-N<sup>2</sup>-isobutyryl-O<sup>6</sup>-(2-ethylpyridyl)-2'-deoxyguanosine
    —— 3-methylamino-5,6-dihydro-2H-1,4-thiazin-2-one oxime hydrochloride 112233-23-5 C5H9N3OS*ClH
    3-methylamino-5,6-dihydro-2H-1,4-thiazin-2-one oxime hydrochloride
    —— (3-Benzyloxycarbonylamino-propyl)-[4-(benzyloxycarbonyl-{3-[(S)-3-(4-benzyloxy-phenyl)-2-butyrylamino-propionylamino]-propyl}-amino)-butyl]-carbamic acid benzyl ester 172992-39-1 C54H65N5O9
    (3-Benzyloxycarbonylamino-propyl)-[4-(benzyloxycarbonyl-{3-[(S)-3-(4-benzyloxy-phenyl)-2-butyrylamino-propionylamino]-propyl}-amino)-butyl]-carbamic acid benzyl ester
    —— 3-(pyridin-2-ylethynyl)aniline 930395-74-7 C13H10N2
    3-(pyridin-2-ylethynyl)aniline
    —— 3-(3-tert-Butyl-thioureido)-2-methyl-propionic acid 30695-36-4 C9H18N2O2S
    3-(3-tert-Butyl-thioureido)-2-methyl-propionic acid
    —— 3α,7β,12β-tris-formylamino-5β-cholan-24-oic acid 111824-19-2 C27H43N3O5
    3α,7β,12β-tris-formylamino-5β-cholan-24-oic acid
    —— 3-(3,4-dimethoxyphenyl)-1-(7-methoxy-8-methyl-2-phenyl-3,4-dihydro-2H-chromen-6-yl)propan-1-one 116247-53-1 C28H30O5
    3-(3,4-dimethoxyphenyl)-1-(7-methoxy-8-methyl-2-phenyl-3,4-dihydro-2H-chromen-6-yl)propan-1-one
    —— (3S)-3-[(2-amino-5-{2-methoxy-4-[(4-methylpiperazin-1-yl)methyl]-benzyl}-6-methylpyrimidin-4-yl)amino]hexan-1-ol 1376514-23-6 C25H40N6O2
    (3S)-3-[(2-amino-5-{2-methoxy-4-[(4-methylpiperazin-1-yl)methyl]-benzyl}-6-methylpyrimidin-4-yl)amino]hexan-1-ol
    —— 3α-iodo-5α-cholestan-2β-yl acetate 6685-02-5 C29H49IO2
    3α-iodo-5α-cholestan-2β-yl acetate
    —— (3R,4R,5S)-ethyl-4-azido-5-(tert-butoxycarbonylamino)-3-hydroxycyclohex-1-enecarboxylate 1287204-75-4 C14H22N4O5
    (3R,4R,5S)-ethyl-4-azido-5-(tert-butoxycarbonylamino)-3-hydroxycyclohex-1-enecarboxylate
    —— 3-O-acetylbetulinic acid chloride 59868-82-5 C32H49ClO3
    3-O-acetylbetulinic acid chloride
    —— {[3-CH<sub>3</sub>-4-NO<sub>2</sub>-C<sub>6</sub>H<sub>3</sub>COO(C<sub>4</sub>H<sub>9</sub>)<sub>2</sub>Sn]<sub>2</sub>O}<sub>2</sub> 1417341-60-6 C64H96N4O18Sn4
    {[3-CH<sub>3</sub>-4-NO<sub>2</sub>-C<sub>6</sub>H<sub>3</sub>COO(C<sub>4</sub>H<sub>9</sub>)<sub>2</sub>Sn]<sub>2</sub>O}<sub>2</sub>
    —— 3-(3,4-Dimethylphenyl)-1,3-oxazolidin-2-one 1313524-76-3 C11H13NO2
    3-(3,4-Dimethylphenyl)-1,3-oxazolidin-2-one
    —— [32P]3-phospho-D-glyceric acid 63877-10-1 C3H7O7P
    [32P]3-phospho-D-glyceric acid
    —— 3,4,6-trideoxy-4-azido-β-glucopyranoside-(1→4)-benzyl 2-deoxy-2-azido-3-O-triisopropylsilyl-β-xylopyranoside 1416351-56-8 C27H44N6O6Si
    3,4,6-trideoxy-4-azido-β-glucopyranoside-(1→4)-benzyl 2-deoxy-2-azido-3-O-triisopropylsilyl-β-xylopyranoside
    —— 3-O-acetyl-α-D-xylopyranose 1,2,4-phosphate 129780-78-5 C7H9O7P
    3-O-acetyl-α-D-xylopyranose 1,2,4-phosphate
    —— (3aR,4aS,5S,7R,8aS,8bR)-5-(benzyloxy)-2,2-dimethylhexahydro[1,3]dioxolo[4,5-b]benzofuran-7,8a(4aH)-diol 1352234-57-1 C18H24O6
    (3aR,4aS,5S,7R,8aS,8bR)-5-(benzyloxy)-2,2-dimethylhexahydro[1,3]dioxolo[4,5-b]benzofuran-7,8a(4aH)-diol
    —— 3-vinylspiro[cyclopent-3-ene-1,2'-indene]-1',3'-dione 1476048-23-3 C15H12O2
    3-vinylspiro[cyclopent-3-ene-1,2'-indene]-1',3'-dione
    —— (3R,4S,5R)-2-methoxy-3,4-bis(phenylmethoxy)-5-(trityloxymethyl)oxolane 1251531-62-0 C39H38O5
    (3R,4S,5R)-2-methoxy-3,4-bis(phenylmethoxy)-5-(trityloxymethyl)oxolane
    —— ((3aR,4S,5R,6R,6aS)-4,6-Dihydroxy-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxol-5-yl)-acetic acid methyl ester 122801-73-4 C11H18O6
    ((3aR,4S,5R,6R,6aS)-4,6-Dihydroxy-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxol-5-yl)-acetic acid methyl ester
    —— 3-O-β-D-glucopyranosylechinocystic acid 28-O-α-L-arabinopyranosyl-(1->3)-β-D-xylopyranosyl-(1->4)-[α-L-rhamnopyranosyl-(1->2)]-α-L-rhamnopyranosyl ester 1297532-96-7 C58H94O25
    3-O-β-D-glucopyranosylechinocystic acid 28-O-α-L-arabinopyranosyl-(1->3)-β-D-xylopyranosyl-(1->4)-[α-L-rhamnopyranosyl-(1->2)]-α-L-rhamnopyranosyl ester
    —— (+/-)-3-<4-Chlor-phenyl>-1,3,4,5-tetrahydro-benz<b>azepin-2-thion 28717-82-0 C16H14ClNS
    (+/-)-3-<4-Chlor-phenyl>-1,3,4,5-tetrahydro-benz<b>azepin-2-thion
    —— 3-(2-Chloro-4H-benzo[1,3,2]dioxaphosphinin-8-yl)-propionic acid methyl ester 722539-38-0 C11H12ClO4P
    3-(2-Chloro-4H-benzo[1,3,2]dioxaphosphinin-8-yl)-propionic acid methyl ester
    —— (+/-)-3'-O-[(2-acetoxyethoxy)methyl]dyphylline 1093252-45-9 C15H22N4O7
    (+/-)-3'-O-[(2-acetoxyethoxy)methyl]dyphylline
    —— (+)-3,11-dioxo-5α-androstanecarboxylic acid 74356-15-3 C20H28O4
    (+)-3,11-dioxo-5α-androstanecarboxylic acid
    —— 3α,7β,12β-triamino-5β-cholan-24-oic acid ; trihydrochloride 119186-00-4 C24H43N3O2*3ClH
    3α,7β,12β-triamino-5β-cholan-24-oic acid ; trihydrochloride
    —— 3-carbamido-5-(1,4-anhydro-D-ribo-tetrahydoxybutyl)-2-methyl-3-furan 81737-64-6 C10H13NO5
    3-carbamido-5-(1,4-anhydro-D-ribo-tetrahydoxybutyl)-2-methyl-3-furan
    —— (3aR,7aS)-2-(bromoacetyl)octahydro-1H-isoindole 787635-25-0 C10H16BrNO
    (3aR,7aS)-2-(bromoacetyl)octahydro-1H-isoindole
    —— (+/-)-3'-O-(p-toluoyl)dyphylline 1093252-48-2 C18H20N4O5
    (+/-)-3'-O-(p-toluoyl)dyphylline
    —— 3-(hexadecyloxy)-2(S)-2-(methoxymethyl)-1-propanol 188938-73-0 C21H44O3
    3-(hexadecyloxy)-2(S)-2-(methoxymethyl)-1-propanol
    —— 3-[4-(3-Amino-propylamino)-butylamino]-3-phenyl-propionatetetrabutyl-ammonium; 73397-37-2 C16H26N3O2*C16H36N
    3-[4-(3-Amino-propylamino)-butylamino]-3-phenyl-propionatetetrabutyl-ammonium;
    —— (3R,4aS,7R)-4a-Isopropyl-3,7-dimethyl-4,4a,5,6,7,8-hexahydro-3H-naphthalen-2-one 60693-58-5 C15H24O
    (3R,4aS,7R)-4a-Isopropyl-3,7-dimethyl-4,4a,5,6,7,8-hexahydro-3H-naphthalen-2-one
    —— 3-chlorothiophene-2-sulfonyl chloride 633305-21-2 C4H2Cl2O2S2
    3-chlorothiophene-2-sulfonyl chloride
    —— 3-(Diphenyl-phosphinoyl)-2-methyl-propionitrile 19726-50-2 C16H16NOP
    3-(Diphenyl-phosphinoyl)-2-methyl-propionitrile
    —— 3-benzyl-3-chlorooxindole 1398681-74-7 C15H12ClNO
    3-benzyl-3-chlorooxindole
    —— 3-methoxy-6-keto-normorphinan 4978-44-3 C17H21NO2
    3-methoxy-6-keto-normorphinan
    —— 3β.11β-dihydroxy-21-acetoxy-5β-pregnanone-(20) 57717-92-7 C23H36O5
    3β.11β-dihydroxy-21-acetoxy-5β-pregnanone-(20)
    —— 3-acetoxy-2,6-dimethyl-1,6-heptadien-5-one 132333-59-6 C11H16O3
    3-acetoxy-2,6-dimethyl-1,6-heptadien-5-one
    —— 3-chloro-4-hydroxy-3-hydroxymethyl-butan-2-one 800371-52-2 C5H9ClO3
    3-chloro-4-hydroxy-3-hydroxymethyl-butan-2-one
    —— 3-((3S,5R,6S)-5-((2-(6-(dimethylamino)-1,3-dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)ethyl)carbamoyl)-2-oxo-1,4-diazabicyclo[4.1.0]heptan-3-yl)propanoic acid 1352831-41-4 C25H27N5O6
    3-((3S,5R,6S)-5-((2-(6-(dimethylamino)-1,3-dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)ethyl)carbamoyl)-2-oxo-1,4-diazabicyclo[4.1.0]heptan-3-yl)propanoic acid
    —— (+)-3,4-di-O-allyl-6-O-benzyl-1,2-O-cyclohexylidene-myo-inositol 139978-97-5 C25H34O6
    (+)-3,4-di-O-allyl-6-O-benzyl-1,2-O-cyclohexylidene-myo-inositol