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    中文名称 英文名称 CAS号 化学式 结构式图片
    (6CI,7CI,8CI,9CI)-5,6,7,8-四氢喹唑啉 5,6,7,8-tetrahydroquinazoline 5632-33-7 C8H10N2
    (6CI,7CI,8CI,9CI)-5,6,7,8-四氢喹唑啉
    (6CI)-吡啶并[2,3-b]吡嗪-8-醇 5<i>H</i>-pyrido[2,3-<i>b</i>]pyrazin-8-one 116598-86-8 C7H5N3O
    (6CI)-吡啶并[2,3-b]吡嗪-8-醇
    (6CI)-5-氨基-4-肼基嘧啶 5-Amino-4-hydrazino-pyrimidin 98022-68-5 C4H7N5
    (6CI)-5-氨基-4-肼基嘧啶
    (6CI)-5-乙酰氨基-1,3-二甲基-6-甲基氨基-尿嘧啶 5-acetylamino-1,3-dimethyl-6-methylamino-1<i>H</i>-pyrimidine-2,4-dione 104509-81-1 C9H14N4O3
    (6CI)-5-乙酰氨基-1,3-二甲基-6-甲基氨基-尿嘧啶
    (6CI)-5-(羟基甲基)-吡咯-2-羧酸 5-(hydroxymethyl)-1H-pyrrole-2-carboxylic acid 98140-76-2 C6H7NO3
    (6CI)-5-(羟基甲基)-吡咯-2-羧酸
    (6CI)-(5-甲基-2-苯并噻唑)-脲 (5-methyl-benzothiazol-2-yl)-urea 115605-29-3 C9H9N3OS
    (6CI)-(5-甲基-2-苯并噻唑)-脲
    (6-苯基咪唑并[2,1-b][1,3]噻唑-5-基)甲醇 5-idrossimetil-6-fenilimidazo<2,1-b>tiazolo 76919-41-0 C12H10N2OS
    (6-苯基咪唑并[2,1-b][1,3]噻唑-5-基)甲醇
    (6-硝基苯并[1,3]二氧杂环戊烯-5-基)甲基乙酸酯 5-acetoxymethyl-6-nitro-benzo[1,3]dioxole 5462-93-1 C10H9NO6
    (6-硝基苯并[1,3]二氧杂环戊烯-5-基)甲基乙酸酯
    (6-甲氧基-3-吡啶基)(2-吡啶基)甲酮 5-(2-pyridinecarbonyl)-2-methoxypyridine 381725-44-6 C12H10N2O2
    (6-甲氧基-3-吡啶基)(2-吡啶基)甲酮
    (6-甲基吡啶-3-基)乙酸甲酯 5-acetoxymethyl-2-methyl-pyridine 34101-77-4 C9H11NO2
    (6-甲基吡啶-3-基)乙酸甲酯
    (6-甲基-2,4-二氧代-1,2,3,4-四氢-5-嘧啶基)乙酸 5-Carboxymethyl-6-methyluracil 38580-22-2 C7H8N2O4
    (6-甲基-2,4-二氧代-1,2,3,4-四氢-5-嘧啶基)乙酸
    (6-甲基-1H-苯并咪唑-2-基)甲醇 (5-methyl-1H-benzoimidazol-2-yl)methanol 20034-02-0 C9H10N2O
    (6-甲基-1H-苯并咪唑-2-基)甲醇
    (6-溴苯并[1,3]二氧杂环戊烯-5-基)甲基乙酸酯 5-acetoxymethyl-6-bromo-benzo[1,3]dioxole 5434-51-5 C10H9BrO4
    (6-溴苯并[1,3]二氧杂环戊烯-5-基)甲基乙酸酯
    (6-溴-1H-苯并咪唑-2-基磺酰基)-乙酸 <(5-Bromo-2-benzimidazolyl)thio>acetic acid 5450-30-6 C9H7BrN2O2S
    (6-溴-1H-苯并咪唑-2-基磺酰基)-乙酸
    (6-氯-咪唑并[2,1-b]噻唑-5-基)-甲醇 5-hydroxymethyl-6-chloroimidazo<2,1-b>thiazole 24918-13-6 C6H5ClN2OS
    (6-氯-咪唑并[2,1-b]噻唑-5-基)-甲醇
    (6-氯-1H-苯并咪唑-2-基)甲醇 (5-chloro-1H-benzo[d]imidazol-2-yl)methanol 6953-65-7 C8H7ClN2O
    (6-氯-1H-苯并咪唑-2-基)甲醇
    (6-乙酰基-5-羟基萘-1-基)乙酸酯 5-acetoxy-1-hydroxy-2-naphthyl methyl ketone 93250-17-0 C14H12O4
    (6-乙酰基-5-羟基萘-1-基)乙酸酯
    (6-乙氧基-1H-苯并咪唑-2-基)甲醇 (5-ethoxy-1H-benzimidazol-2-yl)methanol 889961-14-2 C10H12N2O2
    (6-乙氧基-1H-苯并咪唑-2-基)甲醇
    (6-丙基苯并[1,3]二氧杂环戊烯-5-基)甲基乙酸酯 5-acetoxymethyl-6-propyl-benzo[1,3]dioxole 6307-61-5 C13H16O4
    (6-丙基苯并[1,3]二氧杂环戊烯-5-基)甲基乙酸酯
    (5或6)-甲基-(7或8)-(1-甲基乙基)双环[2.2.2]辛-5-烯-2-羰醛 5(or 6)-Methyl-7(or 8)-(1-methylethyl)bicyclo[2.2.2]oct-5-ene-2-carbaldehyde 68259-31-4 C13H20O
    (5或6)-甲基-(7或8)-(1-甲基乙基)双环[2.2.2]辛-5-烯-2-羰醛
    (5α,7α,8xi,11α,13α,17α,21S,23R)-11,21-二羟基-4,4,8-三甲基-3-羰基-21,23-环氧胆甾-1,14,20(22)-三烯-7-基乙酸酯 [(5R,7R,9R,10S,11R,13S,17R)-11-hydroxy-17-[(2S,5R)-2-hydroxy-5-(2-methylpropyl)-2,5-dihydrofuran-3-yl]-4,4,8,10,13-pentamethyl-3-oxo-5,6,7,9,11,12,16,17-octahydrocyclopenta[a]phenanthren-7-yl] acetate 101508-37-6 C32H46O6
    (5α,7α,8xi,11α,13α,17α,21S,23R)-11,21-二羟基-4,4,8-三甲基-3-羰基-21,23-环氧胆甾-1,14,20(22)-三烯-7-基乙酸酯
    (5α,6α)-3-甲氧基-17-甲基-7,8-二脱氢-4,5-环氧吗啡烷-6-醇磷酸酯(2:2)三水合物(salt) 5-[1-(4,5-Dimethyl-2H-pyrrol-2-ylidene)ethyl]-2,3-dimethyl-1H-pyrrole 801170-11-6 C14H18N2
    (5α,6α)-3-甲氧基-17-甲基-7,8-二脱氢-4,5-环氧吗啡烷-6-醇磷酸酯(2:2)三水合物(salt)
    (5r)-3-[6-[2-[(2,6-二氯苯基)甲氧基]乙氧基]己基]-5-(2,2-二甲基-4H-1, 3-苯并二噁英-6-基)-2-噁唑烷酮 (5R)-3-{6-[2-(2,6-dichlorobenzyloxy)ethoxy]hexyl}-5-(2,2-dimethyl-4H-benzo[1,3]dioxin-6-yl)oxazolidin-2-one 503068-36-8 C28H35Cl2NO6
    (5r)-3-[6-[2-[(2,6-二氯苯基)甲氧基]乙氧基]己基]-5-(2,2-二甲基-4H-1, 3-苯并二噁英-6-基)-2-噁唑烷酮
    (5ci)-n3,n3-二甲基-甲苯-3,5-二胺 5,<i>N</i>,<i>N</i>-trimethyl-<i>m</i>-phenylenediamine 857003-42-0 C9H14N2
    (5ci)-n3,n3-二甲基-甲苯-3,5-二胺
    (5ci)-5-氧代-2-苯基-2-噁唑啉-4-羧酸 5-Oxo-2-phenyl-4,5-dihydrooxazole-4-carboxylic acid 873393-24-9 C10H7NO4
    (5ci)-5-氧代-2-苯基-2-噁唑啉-4-羧酸
    (5beta)-麦角甾烷 5β-ergostane 511-21-7 C28H50
    (5beta)-麦角甾烷
    (5beta)-胆烷 5β-cholane 80373-86-0 C24H42
    (5beta)-胆烷
    (5alpha,6beta)-6-(乙酰基硫代)-17-(环丙基甲基)-7,8-二去氢-4,5-环氧吗喃-3-醇 (5alpha,6beta)-6-(Acetylthio)-17-(cyclopropylmethyl)-7,8-didehydro-4,5-epoxymorphinan-3-ol 129224-33-5 C22H25NO3S
    (5alpha,6beta)-6-(乙酰基硫代)-17-(环丙基甲基)-7,8-二去氢-4,5-环氧吗喃-3-醇
    (5alpha,6alpha)-环氧-17alpha-羟基-孕甾烷-3,20-二酮-3,20-二(乙烯缩酮) 5α,6α-Epoxy-3,3:20,20-bis-ethylendioxy-5α-pregnan-17-α-ol 3496-78-4 C25H38O6
    (5alpha,6alpha)-环氧-17alpha-羟基-孕甾烷-3,20-二酮-3,20-二(乙烯缩酮)
    (5alpha,6alpha)-7,8-二去氢-4,5-环氧-3-甲氧基-17-甲基-吗喃-6-醇与2-(乙酰氧基)苯甲酸的混合物 5R,6S,9R,13S,14R-codeine acetylsalicylate 130320-48-8 C9H8O4*C18H21NO3
    (5alpha,6alpha)-7,8-二去氢-4,5-环氧-3-甲氧基-17-甲基-吗喃-6-醇与2-(乙酰氧基)苯甲酸的混合物
    (5alpha,17beta)-N-甲氧基-N-甲基-3-氧代-4-氮杂雄甾-1-烯-17-甲酰胺 (5α,17β)-N-Methoxy-N-methyl-3-oxo-4-aza-androst-1-ene-17β-carboxamide 138689-15-3 C21H32N2O3
    (5alpha,17beta)-N-甲氧基-N-甲基-3-氧代-4-氮杂雄甾-1-烯-17-甲酰胺
    (5alpha,10alpha,17beta)-5,10-环氧-17-羟基-17-(1-丙炔-1-基)-雌甾-9(11)-烯-3-酮环1,2-乙二基缩醛 (5'R,8'S,10'R,13'S,14'S,17'S)-13'-methyl-17'-(prop-1-yn-1-yl)-1',2',7',8',12',13',14',15',16',17'-decahydro-4'H,6'H-spiro[[1,3]dioxolane-2,3'-[5,10]epoxycyclopenta[a]phenanthren]-17'-ol 84371-57-3 C23H30O4
    (5alpha,10alpha,17beta)-5,10-环氧-17-羟基-17-(1-丙炔-1-基)-雌甾-9(11)-烯-3-酮环1,2-乙二基缩醛
    (5alpha,10alpha)-5,10-环氧-雌甾-9(11)-烯-3,17-二酮环3-(1,2-乙二基缩醛) (5'R,10'R,13'S)-13'-methyl-1',2',6',7',8',12',13',14',15',16'-decahydro-17'H-spiro[1,3-dioxolane-2,3'-[5,10]epoxycyclopenta[a]phenanthren]-17'-one 39931-87-8 C20H26O4
    (5alpha,10alpha)-5,10-环氧-雌甾-9(11)-烯-3,17-二酮环3-(1,2-乙二基缩醛)
    (5alpha)-麦角甾-8(14)-烯 5α-ergost-8(14)-ene 123749-69-9 C28H48
    (5alpha)-麦角甾-8(14)-烯
    (5alpha)-雄甾烷-17-酮 5alpha-androstan-17-one 963-74-6 C19H30O
    (5alpha)-雄甾烷-17-酮
    (5alpha)-胆甾烷-3,6-二酮 5α-cholestane-3,6-dione 2243-09-6 C27H44O2
    (5alpha)-胆甾烷-3,6-二酮
    (5alpha)-4,5-环氧-14-羟基-3-甲氧基-17-(2-丙炔基)吗喃-6-酮 (5alpha)-4,5-Epoxy-14-hydroxy-3-methoxy-17-(2-propynyl)morphinan-6-one 84962-45-8 C20H21NO4
    (5alpha)-4,5-环氧-14-羟基-3-甲氧基-17-(2-丙炔基)吗喃-6-酮
    (5aalpha,5balpha,9aalpha,9balpha)-5a,9,9a,9b-四氢-3-甲基-5H-呋喃并(2'',3'':7',8')(1)苯并吡喃并(3',4':3,4)环丁(1,2-d)嘧啶-5,6,8(5bH,7H)-三酮 5H-Furo(2'',3'':7',8')(1)benzopyrano(3',4':3,4)cyclobuta(1,2-d)pyrimidine-5,6,8(5bH,7H)-trione, 5a,9,9a,9b-tetrahydro-3-methyl-, (5aalpha,5balpha,9aalpha,9balpha)- 118122-53-5 C17H14N2O5
    (5aalpha,5balpha,9aalpha,9balpha)-5a,9,9a,9b-四氢-3-甲基-5H-呋喃并(2'',3'':7',8')(1)苯并吡喃并(3',4':3,4)环丁(1,2-d)嘧啶-5,6,8(5bH,7H)-三酮
    (5aR,6aR,7aS)-六氢-3,3-二甲基-3H,5H-环丙烷并[d]恶唑并[3,4-a]吡啶-5-酮 (5aR,6aR,7aS)-3,3-dimethylhexahydro-5H-cyclopropa[d][1,3]oxazolo[3,4-a]pyridin-5-one 1228188-25-7 C10H15NO2
    (5aR,6aR,7aS)-六氢-3,3-二甲基-3H,5H-环丙烷并[d]恶唑并[3,4-a]吡啶-5-酮
    (5aR,5bR,7aS,11aS,11bR,13aS,13bR)-3-乙基-5A,5B,8,8,11A,13B-六甲基-2,4,5,5A,5B,6,7,7A,8,9,10,11,11A,11B,12,13,13A,13B-十八氢-1H-环戊二烯并[a]屈 (5aR,5bR,7aS,11aS,11bR,13aS,13bR)-3-Ethyl-5a,5b,8,8,11a,13b-hexamethyl-2,4,5,5a,5b,6,7,7a,8,9,10,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysene 10379-57-4 C29H48
    (5aR,5bR,7aS,11aS,11bR,13aS,13bR)-3-乙基-5A,5B,8,8,11A,13B-六甲基-2,4,5,5A,5B,6,7,7A,8,9,10,11,11A,11B,12,13,13A,13B-十八氢-1H-环戊二烯并[a]屈
    (5Z,9Z)-26-甲基二十八碳-5,9-二烯酸 (5Z,9Z)-26-methyloctacosa-5,9-dienoic acid 153081-64-2 C29H54O2
    (5Z,9Z)-26-甲基二十八碳-5,9-二烯酸
    (5Z,8Z,11Z,14Z-二十碳四烯酰基)辅酶A(铵盐) (5Z,8Z,11Z,14Z-eicosatetraenoyl) Coenzyme A (ammonium salt) 799812-93-4 C41H75N10O17P3S
    (5Z,8Z,11Z,14Z-二十碳四烯酰基)辅酶A(铵盐)
    (5Z,8Z,11Z,14Z)-二十二碳-5,8,11,14-四烯酰氯 (5Z,8Z,11Z,14Z)-Docosa-5,8,11,14-tetraenoyl chloride 1027068-72-9 C22H35ClO
    (5Z,8Z,11Z,14Z)-二十二碳-5,8,11,14-四烯酰氯
    (5Z,8Z,11Z,14Z)-二十-5,8,11,14-四烯二酸 5Z,8Z,11Z,14Z-Eicosatetraenedioic acid 79551-84-1 C20H30O4
    (5Z,8Z,11Z,14Z)-二十-5,8,11,14-四烯二酸
    (5Z,8Z,11Z,14Z)-N-(4-羟基-2-甲基苯基)-5,8,11,14-二十碳四烯酰胺 (5Z,8Z,11Z,14Z)-N-(4-Hydroxy-2-methylphenyl)-5,8,11,14-eicosatetraenamide 313998-81-1 C27H39NO2
    (5Z,8Z,11Z,14Z)-N-(4-羟基-2-甲基苯基)-5,8,11,14-二十碳四烯酰胺
    (5Z,8Z,11Z,14Z)-2-[[三(1-甲基乙基)硅烷基]氧基]-5,8,11,14-二十碳四烯酸1-[[[三(1-甲基乙基)硅烷基]氧基]甲基]乙酯 (5Z,8Z,11Z,14Z)-Icosa-5,8,11,14-tetraenoic acid 2-triisopropylsilanyloxy-1-triisopropylsilanyloxymethyl-ethyl ester 223259-26-5 C41H78O4Si2
    (5Z,8Z,11Z,14Z)-2-[[三(1-甲基乙基)硅烷基]氧基]-5,8,11,14-二十碳四烯酸1-[[[三(1-甲基乙基)硅烷基]氧基]甲基]乙酯
    (5Z,8Z)-9-(4-氯苯基)-7,7-二甲基壬-5,8-二烯酸 (5Z,8Z)-9-(4-chlorophenyl)-7,7-dimethylnona-5,8-dienoic acid 113849-16-4 C17H21ClO2
    (5Z,8Z)-9-(4-氯苯基)-7,7-二甲基壬-5,8-二烯酸
    (5Z,13Z)-1,21-二羟基-17-(1-羟基乙基)-5,13-二(2-甲氧基-2-氧代乙亚基)-10,10,26,26-四甲基-19-氧代-18,27,28,29-四氧杂四环[21.3.1.13,7.111,15]二十九-8,11-二烯-25-基特戊酸酯 [(5Z,8E,13Z)-1,21-Dihydroxy-17-(1-hydroxyethyl)-5,13-bis(2-methoxy-2-oxoethylidene)-10,10,26,26-tetramethyl-19-oxo-18,27,28,29-tetraoxatetracyclo[21.3.1.13,7.111,15]nonacosa-8,11-dien-25-yl] 2,2-dimethylpropanoate 173075-49-5 C42H62O14
    (5Z,13Z)-1,21-二羟基-17-(1-羟基乙基)-5,13-二(2-甲氧基-2-氧代乙亚基)-10,10,26,26-四甲基-19-氧代-18,27,28,29-四氧杂四环[21.3.1.13,7.111,15]二十九-8,11-二烯-25-基特戊酸酯
    (5Z,13E,15S)-6,9alpha-表硫代-11alpha,15-二羟基前列腺-5,13-二烯-1-酸 (5Z)-6,9-thiaprostacyclin 64868-63-9 C20H32O4S
    (5Z,13E,15S)-6,9alpha-表硫代-11alpha,15-二羟基前列腺-5,13-二烯-1-酸
    (5Z)-7-{(1S,2R,5S)-3-[(1E,3S)-3-羟基-1-辛烯-1-基]-6-硫杂双环[3.1.1]庚-2-基}-5-庚烯酸 5-Heptenoic acid, 7-((1S,2R,4R,5S)-3-((1E,3S)-3-hydroxy-1-octenyl)-6-thiabicyclo(3.1.1)hept-2-yl)-, (5Z)- 89617-02-7 C21H34O3S
    (5Z)-7-{(1S,2R,5S)-3-[(1E,3S)-3-羟基-1-辛烯-1-基]-6-硫杂双环[3.1.1]庚-2-基}-5-庚烯酸