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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(2,4-dioxoquinazolin-3-yl)isoquinoline 140192-84-3 C17H11N3O2
    5-(2,4-dioxoquinazolin-3-yl)isoquinoline
    —— 5-(1-<i>o</i>-tolyl-ethyl)-barbituric acid 100795-59-3 C13H14N2O3
    5-(1-<i>o</i>-tolyl-ethyl)-barbituric acid
    —— (5'R)-5'-{(1R,4R)-4-{[tert-butyl(dimethyl)silyl]oxy}-1-{[tert-butyl(diphenyl)silyl]oxy}-8-[(para-methoxybenzyl)oxy]oct-2-ynyl}dihydrofuran-2'(3H)-one 1001671-39-1 C42H58O6Si2
    (5'R)-5'-{(1R,4R)-4-{[tert-butyl(dimethyl)silyl]oxy}-1-{[tert-butyl(diphenyl)silyl]oxy}-8-[(para-methoxybenzyl)oxy]oct-2-ynyl}dihydrofuran-2'(3H)-one
    —— 5-(Adamant-1-yl)-3-t-butyl-1H-1,2,4-diazaphosphole 105395-87-7 C16H25N2P
    5-(Adamant-1-yl)-3-t-butyl-1H-1,2,4-diazaphosphole
    —— (5,6-dimethoxy-3-phenyl-1H-inden-1-yl)lithium 309248-92-8 C17H15LiO2
    (5,6-dimethoxy-3-phenyl-1H-inden-1-yl)lithium
    —— 5-(1-(4-methoxybenzyl)oxypentyl)-3-acetyl-2-methylfuran 1438241-63-4 C20H26O4
    5-(1-(4-methoxybenzyl)oxypentyl)-3-acetyl-2-methylfuran
    —— 5-(4-chlorophenylcarboxamido)-3-cyano-4-methylpyridin-2(1H)-one 517907-17-4 C14H10ClN3O2
    5-(4-chlorophenylcarboxamido)-3-cyano-4-methylpyridin-2(1H)-one
    —— 5-(Naphthalen-2-yl)-2-(oxalyl-amino)-thiophene-3-carboxylic acid 243985-24-2 C17H11NO5S
    5-(Naphthalen-2-yl)-2-(oxalyl-amino)-thiophene-3-carboxylic acid
    —— (5-Benzoyl-2-methyl-phenylamino)-acetic acid 72504-32-6 C16H15NO3
    (5-Benzoyl-2-methyl-phenylamino)-acetic acid
    —— 5-[3-(4-furfuryl-piperazin-1-yl)-propyl]-10,11-dihydro-5<i>H</i>-dibenzo[<i>b</i>,<i>f</i>]azepine 47650-36-2 C26H31N3O
    5-[3-(4-furfuryl-piperazin-1-yl)-propyl]-10,11-dihydro-5<i>H</i>-dibenzo[<i>b</i>,<i>f</i>]azepine
    —— 5-bromofuran-2-carboxylate;yttrium(3+) 75515-54-7 C15H6Br3O9Y
    5-bromofuran-2-carboxylate;yttrium(3+)
    —— 5-(5-fluoro-2-methylphenoxymethyl)-6-[2-methoxy-4-(1-naphthylcarbonyloxy)phenyl]-2,2,4-trimethyl-1,2-dihydroquinoline 1027099-31-5 C38H34FNO4
    5-(5-fluoro-2-methylphenoxymethyl)-6-[2-methoxy-4-(1-naphthylcarbonyloxy)phenyl]-2,2,4-trimethyl-1,2-dihydroquinoline
    —— 5-Acetyl-4-amino-2-{2-[4-(2-chloro-phenyl)-piperazin-1-yl]-ethyl}-6-phenyl-2H-pyridazin-3-one 681828-88-6 C24H26ClN5O2
    5-Acetyl-4-amino-2-{2-[4-(2-chloro-phenyl)-piperazin-1-yl]-ethyl}-6-phenyl-2H-pyridazin-3-one
    —— 5-Allyl-6-hydroxy-7-methoxy-2,3-diphenylchinazolin-4(3H)-on 33287-73-9 C24H20N2O3
    5-Allyl-6-hydroxy-7-methoxy-2,3-diphenylchinazolin-4(3H)-on
    —— 5-(5-chloro-benzothiazol-2-yl)-2-methoxy-phenyl tetra-<i>O</i>-acetyl-β-<i>D</i>-glucopyranoside 42380-57-4 C28H28ClNO11S
    5-(5-chloro-benzothiazol-2-yl)-2-methoxy-phenyl tetra-<i>O</i>-acetyl-β-<i>D</i>-glucopyranoside
    —— 5-amino-2-(4-chloro-phenyl)-2<i>H</i>-pyrazole-3,4-dicarboxylic acid dimethyl ester 25262-82-2 C13H12ClN3O4
    5-amino-2-(4-chloro-phenyl)-2<i>H</i>-pyrazole-3,4-dicarboxylic acid dimethyl ester
    —— 5-Ethoxy-3-methyl-4-phenylcarbamoylisoxazol 39880-65-4 C13H14N2O3
    5-Ethoxy-3-methyl-4-phenylcarbamoylisoxazol
    —— (5E,13E)-(2R,3aR,4R,9S,14aS)-2,4-Bis-(tert-butyl-dimethyl-silanyloxy)-9-methyl-2,3,3a,9,10,11,12,14a-octahydro-1H,4H-8-oxa-cyclopentacyclotridecen-7-one 664997-61-9 C28H52O4Si2
    (5E,13E)-(2R,3aR,4R,9S,14aS)-2,4-Bis-(tert-butyl-dimethyl-silanyloxy)-9-methyl-2,3,3a,9,10,11,12,14a-octahydro-1H,4H-8-oxa-cyclopentacyclotridecen-7-one
    —— 5-o-Tolylthieno[2,3-c]pyridin-7(6H)-one 1428144-54-0 C14H11NOS
    5-o-Tolylthieno[2,3-c]pyridin-7(6H)-one
    —— 5-ethyl-1,3,6-trimethyl-1,7-dihydro-pyrrolo[2,3-<i>d</i>]pyrimidine-2,4-dione 53681-24-6 C11H15N3O2
    5-ethyl-1,3,6-trimethyl-1,7-dihydro-pyrrolo[2,3-<i>d</i>]pyrimidine-2,4-dione
    —— 5-chloro-pyrido[2',3':4,5]pyridazino[6,1-<i>b</i>]quinazolin-8-one 29940-60-1 C14H7ClN4O
    5-chloro-pyrido[2',3':4,5]pyridazino[6,1-<i>b</i>]quinazolin-8-one
    —— 5-(2-(4-((isopropylamino)methyl)phenyl)pyridin-4-yl)-4-(pyridin-2-yl)thiazol-2-amine 656258-16-1 C23H23N5S
    5-(2-(4-((isopropylamino)methyl)phenyl)pyridin-4-yl)-4-(pyridin-2-yl)thiazol-2-amine
    —— 5-Isopropyl-bicyclo<3.1.0>hexanon-(2)-(3-spiro-5')-3'-phenyl-Δ<sup>2'</sup>-isoxazolin 21725-98-4 C17H19NO2
    5-Isopropyl-bicyclo<3.1.0>hexanon-(2)-(3-spiro-5')-3'-phenyl-Δ<sup>2'</sup>-isoxazolin
    —— 5-methyl-7λ<sup>4</sup>-[1,2]diselenolo[1,5-<i>b</i>][1,2,5]oxaselenazole 37159-89-0 C5H5NOSe2
    5-methyl-7λ<sup>4</sup>-[1,2]diselenolo[1,5-<i>b</i>][1,2,5]oxaselenazole
    —— 5-Methoxy-3-benzolazo-2-phenyl-indol 23876-62-2 C21H17N3O
    5-Methoxy-3-benzolazo-2-phenyl-indol
    —— 5-isopropyl-1-methyl-4-phenyl-pyrrolidine-2,3-dione 36085-11-7 C14H17NO2
    5-isopropyl-1-methyl-4-phenyl-pyrrolidine-2,3-dione
    —— 5-(p-Tolyl)-1-oxo-4-(3,5-dichlor-2,4,6-trimethylphenyl)-2,1,3,5-oxathiadiazol 26341-79-7 C17H16Cl2N2O2S
    5-(p-Tolyl)-1-oxo-4-(3,5-dichlor-2,4,6-trimethylphenyl)-2,1,3,5-oxathiadiazol
    —— 5-chloro-3-(4-(4-(diethylamino)butoxy)benzylidene)indolin-2-one 1415609-34-5 C23H27ClN2O2
    5-chloro-3-(4-(4-(diethylamino)butoxy)benzylidene)indolin-2-one
    —— 5-(3-Fluorophenyl)-10-[[3-methoxy-4-(4-methylimidazol-1-yl)phenyl]methylidene]-3,4,5,7,8,9-hexahydropyrido[2,1-c][1,2,4]oxadiazepine 1227081-43-7 C26H27FN4O2
    5-(3-Fluorophenyl)-10-[[3-methoxy-4-(4-methylimidazol-1-yl)phenyl]methylidene]-3,4,5,7,8,9-hexahydropyrido[2,1-c][1,2,4]oxadiazepine
    —— 5β-Isopropyloxy-cholestan 23444-98-6 C30H54O
    5β-Isopropyloxy-cholestan
    —— (5R,5aR,8aR,9S)-9-((4aR,6R,7R,8R,8aS)-2-Benzyl-7,8-dihydroxy-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-5-(4-hydroxy-3,5-dimethoxy-phenyl)-5,8,8a,9-tetrahydro-5aH-furo[3',4':6,7]naphtho[2,3-d][1,3]dioxol-6-one 35352-98-8 C35H36O13
    (5R,5aR,8aR,9S)-9-((4aR,6R,7R,8R,8aS)-2-Benzyl-7,8-dihydroxy-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-5-(4-hydroxy-3,5-dimethoxy-phenyl)-5,8,8a,9-tetrahydro-5aH-furo[3',4':6,7]naphtho[2,3-d][1,3]dioxol-6-one
    —— 5-Hydroxy-5-methyl-4-phenylhexansaeure-lacton 19174-22-2 C13H16O2
    5-Hydroxy-5-methyl-4-phenylhexansaeure-lacton
    —— 5-[(4-Ethoxycarbonyl-butyl)-dimethyl-germanyl]-pentanoic acid ethyl ester 51276-75-6 C16H32GeO4
    5-[(4-Ethoxycarbonyl-butyl)-dimethyl-germanyl]-pentanoic acid ethyl ester
    —— 5,11-dinitro-17,23-diphthalimido-25,26,27,28-tetrakis(pentyloxy)calix[4]arene 790675-89-7 C64H68N4O12
    5,11-dinitro-17,23-diphthalimido-25,26,27,28-tetrakis(pentyloxy)calix[4]arene
    —— 5,6β-cyclopropano-5β-cholestane-3β,19-diol 19-acetate 82048-61-1 C30H50O3
    5,6β-cyclopropano-5β-cholestane-3β,19-diol 19-acetate
    —— 5-butyl-4-iodo-7H-thieno[2,3-c]pyran-7-one 1159372-04-9 C11H11IO2S
    5-butyl-4-iodo-7H-thieno[2,3-c]pyran-7-one
    —— 5-iodo-1-methylisocytosine 1193570-01-2 C5H6IN3O
    5-iodo-1-methylisocytosine
    —— 5-Propyl-1,2-dithiole-3-thione 146252-77-9 C6H8S3
    5-Propyl-1,2-dithiole-3-thione
    —— 5-Amino-6-((S)-2-imidazol-1-yl-1-phenyl-ethoxy)-3,4-dihydro-2H-naphthalen-1-one 368880-13-1 C21H21N3O2
    5-Amino-6-((S)-2-imidazol-1-yl-1-phenyl-ethoxy)-3,4-dihydro-2H-naphthalen-1-one
    —— 5-iodo-N,N-bis(4-methoxybenzyl)pyrazolo[1,5-a]pyridine-3-carboxamide 1394839-17-8 C24H22IN3O3
    5-iodo-N,N-bis(4-methoxybenzyl)pyrazolo[1,5-a]pyridine-3-carboxamide
    —— 5-(dimethylcarbamoyl)-2-(naphthalen-1-yl)-1H-pyrrol-3-yl benzoate 1365657-08-4 C24H20N2O3
    5-(dimethylcarbamoyl)-2-(naphthalen-1-yl)-1H-pyrrol-3-yl benzoate
    —— 5''-hydroxy-5''-methyl-1''-methylsulfonyl-8'-oxo-(cyclohexane)spiro-2'-(3'-oxa-1'-azabicyclo<4.2.0>octane)-7'-spiro-4''-(<1''H>-<4'',5''>dihydro<1'',2'',3''>triazole) 142836-77-9 C14H22N4O5S
    5''-hydroxy-5''-methyl-1''-methylsulfonyl-8'-oxo-(cyclohexane)spiro-2'-(3'-oxa-1'-azabicyclo<4.2.0>octane)-7'-spiro-4''-(<1''H>-<4'',5''>dihydro<1'',2'',3''>triazole)
    —— 5-(5-carboxy-pentyl)-1(2)<i>H</i>-pyrazole-3,4-dicarboxylic acid 55366-81-9 C11H14N2O6
    5-(5-carboxy-pentyl)-1(2)<i>H</i>-pyrazole-3,4-dicarboxylic acid
    —— 5,7-bis-benzyloxy-2-(4-benzyloxy-3-methoxy-phenyl)-6-methoxy-chromen-4-one 27682-59-3 C38H32O7
    5,7-bis-benzyloxy-2-(4-benzyloxy-3-methoxy-phenyl)-6-methoxy-chromen-4-one
    —— 5-methyl-2-oxo-1-(tri-<i>O</i>-acetyl-β-<i>D</i>-ribofuranosyl)-1,2-dihydro-pyrimidine-4-carbonitrile 24744-22-7 C17H19N3O8
    5-methyl-2-oxo-1-(tri-<i>O</i>-acetyl-β-<i>D</i>-ribofuranosyl)-1,2-dihydro-pyrimidine-4-carbonitrile
    —— 5-cyclohexa-2,5-dienyl-3-methyl-5-phenyl-imidazolidine-2,4-dione 25371-07-7 C16H16N2O2
    5-cyclohexa-2,5-dienyl-3-methyl-5-phenyl-imidazolidine-2,4-dione
    —— 5-methoxy-3,5-diphenyl-1,5-dihydro-pyrrol-2-one 40048-07-5 C17H15NO2
    5-methoxy-3,5-diphenyl-1,5-dihydro-pyrrol-2-one
    —— (+/-)-5-Ethyl-5-(1-methyl-3-oxo-butyl)-thiobarbitursaeure 31556-00-0 C11H16N2O3S
    (+/-)-5-Ethyl-5-(1-methyl-3-oxo-butyl)-thiobarbitursaeure
    —— 5-Nitro-pyridin-2-thiosulfonsaeure-(2,4,6-trimethyl-phenylester) 24367-55-3 C14H14N2O4S2
    5-Nitro-pyridin-2-thiosulfonsaeure-(2,4,6-trimethyl-phenylester)
    —— 5,5-Dimethyl-2-propionylpyrazolidin-3-on 49629-19-8 C8H14N2O2
    5,5-Dimethyl-2-propionylpyrazolidin-3-on