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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,5-dimethyl-2-hydroxy-4-(phenylseleno)-1,2-oxaphosphol-3-ene 2-oxide 85318-38-3 C11H13O3PSe
    5,5-dimethyl-2-hydroxy-4-(phenylseleno)-1,2-oxaphosphol-3-ene 2-oxide
    —— 5-(2,2-Dimethyl-propionylamino)-pyridine-2-carboxylic acid tert-butylamide 173371-39-6 C15H23N3O2
    5-(2,2-Dimethyl-propionylamino)-pyridine-2-carboxylic acid tert-butylamide
    —— 5-methoxy-10,11-dimethyl-5H-indolo[3,2-c]quinolin-6(11H)-one 1498283-20-7 C18H16N2O2
    5-methoxy-10,11-dimethyl-5H-indolo[3,2-c]quinolin-6(11H)-one
    —— 5-(2-Propynyloxy)-2-pentanol 55702-67-5 C8H14O2
    5-(2-Propynyloxy)-2-pentanol
    —— 5-(3-(4-(isopropylthio)phenyl)imidazo[1,2-a]pyridin-6-yl)-2-(trifluoromethyl)pyridine 1-oxide 1611002-14-2 C22H18F3N3OS
    5-(3-(4-(isopropylthio)phenyl)imidazo[1,2-a]pyridin-6-yl)-2-(trifluoromethyl)pyridine 1-oxide
    —— 5-(3-(4-(isopropylthio)phenyl)-8-(trifluoromethyl)imidazo[1,2-a]pyridin-6-yl)-3-(trifluoromethyl)pyridin-2-amine 1611001-81-0 C23H18F6N4S
    5-(3-(4-(isopropylthio)phenyl)-8-(trifluoromethyl)imidazo[1,2-a]pyridin-6-yl)-3-(trifluoromethyl)pyridin-2-amine
    —— (5S)-5-methyl-2-(undecan-2-yl)imidazolidin-4-one 1378479-37-8 C15H30N2O
    (5S)-5-methyl-2-(undecan-2-yl)imidazolidin-4-one
    —— 5-benzyl-piperazinocyclam 929200-52-2 C19H32N4
    5-benzyl-piperazinocyclam
    —— 5-(Toluene-4-sulfonylamino)-pyridine-2-carboxylic acid tert-butylamide 173371-40-9 C17H21N3O3S
    5-(Toluene-4-sulfonylamino)-pyridine-2-carboxylic acid tert-butylamide
    —— 5-methanesulfonyloxymethylthiophene-2-carbonitrile 956519-49-6 C7H7NO3S2
    5-methanesulfonyloxymethylthiophene-2-carbonitrile
    —— 5-(3-bromoimidazo[1,2-a]pyridin-6-yl)picolinonitrile 1611001-33-2 C13H7BrN4
    5-(3-bromoimidazo[1,2-a]pyridin-6-yl)picolinonitrile
    —— 5,5-dimethyl-2-ethoxy-4-(phenylseleno)-1,2-oxaphosphol-3-ene 2-oxide 75612-87-2 C13H17O3PSe
    5,5-dimethyl-2-ethoxy-4-(phenylseleno)-1,2-oxaphosphol-3-ene 2-oxide
    —— 5-Azido-desoxythymidine 19316-85-9 C10H13N5O4
    5-Azido-desoxythymidine
    —— 5-(3-(4-(isopropylthio)phenyl)imidazo[1,2-a]pyridin-6-yl)picolinonitrile 1610999-99-9 C22H18N4S
    5-(3-(4-(isopropylthio)phenyl)imidazo[1,2-a]pyridin-6-yl)picolinonitrile
    —— 5-amino-3-[2-(4-chlorophenyl)-2-oxoethyl]-2-morpholino-3H-pyrrole-3,4-dicarbonitrile 1280613-80-0 C18H16ClN5O2
    5-amino-3-[2-(4-chlorophenyl)-2-oxoethyl]-2-morpholino-3H-pyrrole-3,4-dicarbonitrile
    —— 5,5-Dimethylspirohexanon-4 64149-38-8 C8H12O
    5,5-Dimethylspirohexanon-4
    —— 5-Methyl-6,8-dioxa-3,3-dioxo-3-thiabicyclo<3.2.1>octan 69697-61-6 C6H10O4S
    5-Methyl-6,8-dioxa-3,3-dioxo-3-thiabicyclo<3.2.1>octan
    —— 5-bromo-6-chloro-4-(isopropylamino)-2-piperazinopyrimidine 102396-39-4 C11H17BrClN5
    5-bromo-6-chloro-4-(isopropylamino)-2-piperazinopyrimidine
    —— 5-Benzyl-2-(2-N,N-dimethylaminoethoxy)benzonitrile 1437687-91-6 C18H20N2O
    5-Benzyl-2-(2-N,N-dimethylaminoethoxy)benzonitrile
    —— 5-(2,2-Dimethyl-propionyl)-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid 96327-64-9 C13H17NO3
    5-(2,2-Dimethyl-propionyl)-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid
    —— 5-Chloro-2-hex-2-ynoxybenzaldehyde 1286746-01-7 C13H13ClO2
    5-Chloro-2-hex-2-ynoxybenzaldehyde
    —— (5E)-undec-5-en-7-yn-4-ol 115400-70-9 C11H18O
    (5E)-undec-5-en-7-yn-4-ol
    —— 5,6-trimethylene-2-chloro-3,4-dicyanopyridine 95058-96-1 C10H6ClN3
    5,6-trimethylene-2-chloro-3,4-dicyanopyridine
    —— 5-{2-[5-(tert-Butyl-dimethyl-silanyloxymethyl)-thiophen-2-yl]-ethyl}-5-hydroxy-6-methyl-3-oxo-heptanoic acid methyl ester 261708-14-9 C22H38O5SSi
    5-{2-[5-(tert-Butyl-dimethyl-silanyloxymethyl)-thiophen-2-yl]-ethyl}-5-hydroxy-6-methyl-3-oxo-heptanoic acid methyl ester
    —— 5-[(2,3-dichlorophenyl)methyl]-N-pyridin-2-yl-1,3-thiazol-2-amine 302952-47-2 C15H11Cl2N3S
    5-[(2,3-dichlorophenyl)methyl]-N-pyridin-2-yl-1,3-thiazol-2-amine
    —— 5-(4-Methoxyphenyl)-7-phenyl-4-aminopyrrolo[2,3-d]pyrimidine 121405-30-9 C19H16N4O
    5-(4-Methoxyphenyl)-7-phenyl-4-aminopyrrolo[2,3-d]pyrimidine
    —— (5Z,11Z,13E)-Octadeca-5,11,13-trienoic acid ethyl ester 189160-88-1 C20H34O2
    (5Z,11Z,13E)-Octadeca-5,11,13-trienoic acid ethyl ester
    —— 5-Amino-4-thiopyridazin-6(1H)on 55271-57-3 C4H5N3OS
    5-Amino-4-thiopyridazin-6(1H)on
    —— 5-(5-bromothiophen-2-ylmethoxy)-2,2,6,6-tetramethylcyclohex-4-ene-1,3-dione 1094621-82-5 C15H17BrO3S
    5-(5-bromothiophen-2-ylmethoxy)-2,2,6,6-tetramethylcyclohex-4-ene-1,3-dione
    —— 5-[(2,3-dichlorophenyl)methyl]-N-phenyl-1,3-thiazol-2-amine 327102-42-1 C16H12Cl2N2S
    5-[(2,3-dichlorophenyl)methyl]-N-phenyl-1,3-thiazol-2-amine
    —— 5-p-anisyl-1,2,3,4-tetraphenylcyclopenta-1,3-dien-5-ol 64706-18-9 C36H28O2
    5-p-anisyl-1,2,3,4-tetraphenylcyclopenta-1,3-dien-5-ol
    —— 5-Hydroxy-5-[2-(5-hydroxymethyl-thiophen-2-yl)-ethyl]-6-methyl-3-oxo-heptanoic acid methyl ester 261708-16-1 C16H24O5S
    5-Hydroxy-5-[2-(5-hydroxymethyl-thiophen-2-yl)-ethyl]-6-methyl-3-oxo-heptanoic acid methyl ester
    —— (5-bromothiophen-2-yl)methyl tert-butyldiphenylsilyl ether 312738-59-3 C21H23BrOSSi
    (5-bromothiophen-2-yl)methyl tert-butyldiphenylsilyl ether
    —— 5-(N-benzylamino)-2-vinylpent-2(E)-enoic acid methyl ester 155530-53-3 C15H19NO2
    5-(N-benzylamino)-2-vinylpent-2(E)-enoic acid methyl ester
    —— 5-methyl-5-[4-(3-(2-propyl-4-(4'-fluorophenoxy)phenoxy)propoxy)phenyl]-2,4-thiazolidinedione 314752-57-3 C28H28FNO5S
    5-methyl-5-[4-(3-(2-propyl-4-(4'-fluorophenoxy)phenoxy)propoxy)phenyl]-2,4-thiazolidinedione
    —— 5-Mercapto-3,4-diamino-pyridazin 17644-99-4 C4H6N4S
    5-Mercapto-3,4-diamino-pyridazin
    —— (5R<sup>*</sup>,6S<sup>*</sup>)-2-(2'-aminomethyl-5'-thienyl)-6-<(R<sup>*</sup>)-1-hydroxyethyl>-1-carbapen-2-em-3-carboxylic acid 88140-16-3 C14H16N2O4S
    (5R<sup>*</sup>,6S<sup>*</sup>)-2-(2'-aminomethyl-5'-thienyl)-6-<(R<sup>*</sup>)-1-hydroxyethyl>-1-carbapen-2-em-3-carboxylic acid
    —— 5-methylenecyclooctyne 162316-42-9 C9H12
    5-methylenecyclooctyne
    —— 5-Acetyl-2-carboxy-tryptamin 3283-93-0 C13H14N2O3
    5-Acetyl-2-carboxy-tryptamin
    —— (5Z)-4-chloro-2-p-nitrobenzyloxycarbonylmethoxyimino-3-oxobutyric acid 108908-49-2 C13H11ClN2O8
    (5Z)-4-chloro-2-p-nitrobenzyloxycarbonylmethoxyimino-3-oxobutyric acid
    —— (5-ethyl-1,2,3,5,6,7-hexahydro-1,5:3,7-dimethano-4-benzoxonin-3-yl)amine 1207834-47-6 C16H21NO
    (5-ethyl-1,2,3,5,6,7-hexahydro-1,5:3,7-dimethano-4-benzoxonin-3-yl)amine
    —— 5-(4-Bromophenyl)-2-hydroxybenzoic acid 1038356-16-9 C13H9BrO3
    5-(4-Bromophenyl)-2-hydroxybenzoic acid
    —— (+/-)-5-Ethyl-4-oxa-1-azabicyclo<3.3.0>octan-8-one 142940-52-1 C8H13NO2
    (+/-)-5-Ethyl-4-oxa-1-azabicyclo<3.3.0>octan-8-one
    —— 5-bromo-6-hydroxyhydro-N-1-propylthyamine 111421-19-3 C8H13BrN2O3
    5-bromo-6-hydroxyhydro-N-1-propylthyamine
    —— 5-(5-nitrofur-2-yl)-2-propionylamino-4-ethylthiazole 96907-97-0 C12H13N3O4S
    5-(5-nitrofur-2-yl)-2-propionylamino-4-ethylthiazole
    —— (5R)-3-(5-Bromo-pyridin-2-yl)-5-butyryloxy-methyl-oxazolidin-2-one 175391-64-7 C13H15BrN2O4
    (5R)-3-(5-Bromo-pyridin-2-yl)-5-butyryloxy-methyl-oxazolidin-2-one
    —— 5-Acetyl-5-hydroxy-1,2,3,4-tetraphenyl-2-norbornen-2-one 76377-00-9 C33H26O3
    5-Acetyl-5-hydroxy-1,2,3,4-tetraphenyl-2-norbornen-2-one
    —— 5-fluoro-2-(3-fluorophenyl)benzo[d]isothiazol-3(2H)-one 1186646-30-9 C13H7F2NOS
    5-fluoro-2-(3-fluorophenyl)benzo[d]isothiazol-3(2H)-one
    —— 5-fluoro-2-(4-methoxyphenyl)benzo[d]isothiazol-3(2H)-one 1186650-26-9 C14H10FNO2S
    5-fluoro-2-(4-methoxyphenyl)benzo[d]isothiazol-3(2H)-one
    —— 5-amino-3(2H)-oxo-1H-pyrazole-4-carboxamide 128850-52-2 C4H6N4O2
    5-amino-3(2H)-oxo-1H-pyrazole-4-carboxamide