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中文名称 英文名称 CAS号 化学式
(5-吗啉-4-基-2H-四唑-2-基)乙酸 (5-Morpholin-4-yl-2H-tetrazol-2-yl)acetic acid 685113-09-1 C7H11N5O3
(5-十二烷基呋喃-2-基)乙酸 (5-dodecylfuran-2-yl)acetic acid 68532-43-4 C18H30O3
(5-乙酰基-2-甲氧基苯基)乙酸酯 3-acetoxy-4-methoxyacetophenone 60792-88-3 C11H12O4
(5-乙酰基-2-噻吩基)乙酸 (5-acetyl-[2]thienyl)-acetic acid 66738-55-4 C8H8O3S
(5-乙氧基-2-硝基苯基)甲醇 (5-Ethoxy-2-nitro-phenyl)-methanol 647843-25-2 C9H11NO4
(5-乙氧基-1,3-恶唑-2-基)甲醇 (5-ethoxy-oxazol-2-yl)-methanol 68208-11-7 C6H9NO3
(5-乙基-3-甲基-1,2-恶唑-4-基)甲醇 (5-ethyl-3-methyl-isoxazol-4-yl)-methanol 60148-44-9 C7H11NO2
(5-乙基-2-羟基苯基)-[4-(三氟甲基)苯基]甲酮 (5-ethyl-2-hydroxy-phenyl)-(4-trifluoromethyl-phenyl)-methanone 61750-29-6 C16H13F3O2
(5-丁氧基吡啶-2-基)甲醇 5-n-Butoxy-2-hydroxymethylpyridin 66933-05-9 C10H15NO2
(5-(4-溴苯基)-3-异噁唑)甲醇 (5-(4-bromophenyl)isoxazol-3-yl)methanol 640291-96-9 C10H8BrNO2
(5,6-二甲基-噻吩并[2,3-d]嘧啶-4-基)-肼 4-Hydrazino-5,6-dimethylthieno<2,3-d>pyrimidine 63894-54-2 C8H10N4S
(5,6-二甲基-1H-苯并咪唑-2-YL)甲醇 (5,6-dimethyl-1H-benzo[d]imidazol-2-yl)methanol 6761-86-0 C10H12N2O
(5,6,7,8-四氢-9H-咔唑-1-基)脲 Urea, N-(5,6,7,8-tetrahydrocarbaz-1-yl)- 63979-41-9 C13H15N3O
(5,5-二甲基-2,4-二氧代咪唑啉-1-基)-乙酸 (5,5-dimethyl-2,4-dioxo-imidazolidin-1-yl)-acetic acid 64942-63-8 C7H10N2O4
(5'aS,3R,5S)-5-(3-呋喃基)-3',4,4',5,5',5'a,7',8'-八氢-7'alpha-甲基螺[呋喃-3(2H),6'-[6H]萘并[1,8-bc]呋喃]-2-酮 montanin A 68370-49-0 C19H20O4
(5'aR)-1,2',3,3',5'abeta,6',7',8',9',9'aalpha,10',10'aalpha-十二氢-8'alpha-羟基-3-氧代螺[2H-吲哚-2,1'(5'H)-吡咯并[1,2-b]异喹啉]-9'alpha-羧酸甲酯 Yohimbine pseudoindoxyl 6872-98-6 C21H26N2O4
(4’-甲基联苯-4-基)(苯基)甲酮 4-benzoyl-4'-methylbiphenyl 63283-56-7 C20H16O
(4r)-(9ci)-6-乙基-3,4-二氢-1H-2-苯并硫代吡喃-4-胺,2,2-二氧化物 (4R)-6-Ethyl-3,4-dihydro-1H-isothiochromen-4-amine 2,2-dioxide 676135-55-0 C11H15NO2S
(4bS,8aS,10R)-4b,5,6,7,8,8a,9,10-八氢-4b,8,8-三甲基-1-(1-甲基乙基)-2,10-菲二醇 7α-hydroxytotarol 6811-52-5 C20H30O2
(4b-氟-5,12-二羟基-4a,6a,8,8-四甲基-2-氧代-2,4a,4b,5,6,6a,9a,10,10a,10b,11,12-十二氢-6bH-萘并[2',1':4,5]茚并[1,2-d][1,3]二氧杂环戊烯-6b-基)(氧代)乙酸 6-Hydroxy-21-oic triamcinolone acetonide 68263-02-5 C24H29FO8
(4aS,7S,9aS,9bR)-1,4A,7-三甲基-5,6,6A,7,9A,9B-六氢-3H-环氧乙烷并[8,8A]薁并[4,5-b]呋喃-8(4aH)-酮 arborescin 6831-14-7 C15H20O3
(4aS,6R,8aS)-11-甲基-5,6,9,10,11,12-六氢-4aH-[1]苯并呋喃并[3a,3,2-ef][2]苯并氮杂卓-3,6-二醇 O-Demethylgalantamine 60755-80-8 C16H19NO3
(4aR,8aR)-2-异亚丙基-4A,8-二甲基-1,2,3,4,4A,5,6,8A-八氢萘 selina-3,7(11)-diene 6813-21-4 C15H24
(4aR,7aS)-rel-六氢-2H-[1,4]二恶英[2,3-c]吡咯盐酸盐 (4aR,7aS)-hexahydro-2H-[1,4]dioxino[2,3-c]pyrrole hydrochloride 694439-04-8 C6H11NO2*ClH
(4aR,5S,8aS)-2,2,4a-三甲基六氢-4H-1,3-苯并二氧杂环己-5-醇 (4aR,5S,8aS)-hexahydro-2,2,4a-trimethyl-4H-benzo[d][1,3]dioxin-5-ol 619335-69-2 C11H20O3
(4aR,4bS,5S,6aS,6bS,9aR,10aS,10bS)-6b-羟基乙酰基-5-羟基-4a,6a-二甲基-8-丙基-4a,4b,5,6,6a,6b,9a,10,10a,10b,11,12-十二氢-2H-萘并[2',1':4,5]茚并[1,2-d][1,3]二氧杂环戊烯-2-酮 3alpha,5alpha-17-Phenylandrost-16-en-3-ol 694438-95-4 C25H34O
(4aR,4'aR,5S,5'S,8aR,8'aR)-5,5'-(1,2-乙二基)二[八氢-1,1,4a-三甲基-6-亚甲基-2(1H)-萘酮 α-onoceradienedione 6929-24-4 C30H46O2
(4aR)-3,4,4abeta,5,6,7,8,8alpha-八氢-8abeta-乙烯基-5beta-羟基-7beta-[(2-羟基甲基-1-氧代-2-丙烯基)氧基]-alpha,4-二(亚甲基)-3-氧代-1H-2-苯并吡喃-6alpha-乙酸甲酯 vernodalol 65388-17-2 C20H24O8
(4aR)-2,3,4,4alpha-四氢-5,6,8,10-四羟基-1,1,4alpha-三甲基-7-异丙基菲-9(1H)-酮 6,11,12,14-tetrahydroxyabieta-5,8,11,13-tetraen-7-one 65714-69-4 C20H26O5
(4a,6a-二甲基四氢-2H-1,4-二氧杂-6b-氮杂环戊并[Cd]戊烯-2a(3H)-基)甲醇 (4a,6a-dimethyl-tetrahydro-1,4-dioxa-6b-aza-cyclopenta[<i>cd</i>]pentalen-2a-yl)-methanol 60204-53-7 C10H17NO3
(4Z)-4-苄基-3-甲基-1H-吡唑-5-酮 (4Z)-4-Benzylidene-5-methyl-2,4-dihydro-3H-pyrazol-3-one 68761-49-9 C11H10N2O
(4Z)-4-[(4-羟基-3-甲氧基苯基)亚甲基]-2-甲基-1,3-恶唑-5-酮 5(4H)-Oxazolone, 4-[(4-hydroxy-3-methoxyphenyl)methylene]-2-methyl- 63449-78-5 C12H11NO4
(4Z)-3-甲基-4-[(甲硫基)亚甲基]-1,2-恶唑-5(4H)-酮 3-Methyl-4-methylthiomethylenisoxazolin-5-on 61861-34-5 C6H7NO2S
(4Z)-2-苯基-4-(1-苯基亚乙基)-1,3-恶唑-5-酮 (Z)-2-phenyl-4-(α-phenylethylidene)-5(4H)-oxazolone 69015-75-4 C17H13NO2
(4Z)-2,4,5-三(苯甲酰基氨基)-4-戊烯酸甲酯 Methyl(4Z)-2,4,5-tris(benzoylamino)-4-pentenoate 6298-09-5 C27H25N3O5
(4S,8S)-8,9-环氧-p-薄荷-1-烯 (4S,8S)-8,9-Epoxy-p-menth-1-ene 62660-05-3 C10H16O
(4S,8R)-8,9-环氧-p-薄荷-1-烯 (4S,8R)-8,9-Epoxy-p-menth-1-ene 62660-04-2 C10H16O
(4S,5S,6R)-2,2,4-三甲基-7-亚甲基-1,3-二氧杂螺[4.4]壬烷-6-醇 (4S,5S,9R)-2,2,4-trimethyl-8-methylidene-1,3-dioxaspiro[4.4]nonan-9-ol 677752-10-2 C11H18O3
(4S,5R,6S)-6-羟基-3-甲氧基-1,6-二甲基-4-苯基-5,7-二氢-4H-吲唑-5-羧酸乙酯 1H-Indazole-5-carboxylic acid, 4,5,6,7-tetrahydro-, 1,6-dimethyl-6-hydroxy-3-methoxy-4-phenyl-, ethyl ester, (4-alpha,5-beta,6-alpha)- 64670-59-3 C19H24N2O4
(4S,4'S)-2,2'-(1-苯基丙烷-2,2-二基)双(4-异丙基-4,5-二氢恶唑) (4S,4'S)-2,2'-(1-phenylpropane-2,2-diyl)bis(4-isopropyl-4,5-dihydrooxazole) 698350-53-7 C21H30N2O2
(4S)-奎宁环-3-基乙酸酯 2-羟基苯甲酸盐 R,S-(+/-)-3-quinuclidinyl ester of acetic acid salicylate 6821-59-6 C7H6O3*C9H15NO2
(4S)-6-甲基庚-2-炔-4-醇 (4S)-6-methylhept-2-yn-4-ol 60018-72-6 C8H14O
(4S)-5-硝基-4-(4-硝基苯基)戊-2-酮 (S)-5-nitro-4-(4-nitrophenyl)pentan-2-one 648430-79-9 C11H12N2O5
(4S)-4-铵基-5-苯胺基-5-氧代戊酸酯 <i>N</i><sup>1</sup>-phenyl-L-isoglutamine 62121-04-4 C11H14N2O3
(4S)-4-羟基-1-甲基-L-脯氨酸 N-methyl-cis-4-hydroxy-L-proline 67463-44-9 C6H11NO3
(4S)-4-甲基己酰氯 (4S)-4-methylhexanoyl chloride 6860-46-4 C7H13ClO
(4S)-4-甲基-l-脯氨酸 cis-4-methyl-L-proline 6734-41-4 C6H11NO2
(4S)-4-甲基-1,3-恶唑烷 (4S)-4-methyl-1,3-oxazolidine 676139-49-4 C4H9NO
(4S)-4-氨基-5-甲氧基-5-氧代戊酸 DL-Glutaminsaeure-γ-methylester 65414-79-1 C6H11NO4
(4S)-4-异丙基-5-氧代-1,3-恶唑烷-3-羧酸苄基酯 (4S)-4-isopropyl-5-oxo-1,3-oxazolidine-3-carboxylic acid benzyl ester 66866-64-6 C14H17NO4