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    中文名称 英文名称 CAS号 化学式
    (4aR,9R,10R,10aS)-1,3,4,9,10,10a-六氢-5,6,10-三羟基-1,1-二甲基-7-(1-甲基乙基)-2H-9,4a-(环氧甲烷)菲-12-酮 isorosmanol 93780-80-4 C20H26O5
    (4aR,8aR)-十氢异喹啉 cis-Decahydroisochinolin 947767-62-6 C9H17N
    (4Z,7Z,10Z,13Z,17Z,19Z)-16-羟基-4,7,10,13,17,19-二十二碳六烯酸 (4Z,7Z,10Z,13Z,17Z,19Z)-16-hydroxydocosa-4,7,10,13,17,19-hexaenoic acid 90780-51-1 C22H32O3
    (4Z)-5-氨基-2-甲基-4-己烯-3-酮 (E)-5-Amino-2-methyl-hex-4-en-3-one 94775-17-4 C7H13NO
    (4Z)-5-(羟基甲基)-4-[[1-(5-甲氧基-1H-吲哚-3-基)丙-2-基氨基]甲亚基]-2-甲基-吡啶-3-酮 3-Pyridinemethanol, 5-hydroxy-4-(((2-(5-methoxy-1H-indol-3-yl)-1-methylethyl)imino)methyl)-6-methyl- 98497-91-7 C20H23N3O3
    (4Z)-4-庚烯-2-酮 (Z)-4-Hepten-2-one 90605-45-1 C7H12O
    (4Z)-4-{[(2-羟基乙基)氨基]亚甲基}-3-甲基-1,2-恶唑-5(4H)-酮 4-[(2-hydroxy-ethylamino)-methylene]-3-methyl-4<i>H</i>-isoxazol-5-one 98334-79-3 C7H10N2O3
    (4Z)-4-(1-环丙基乙基亚基)-3-甲基-1,2-恶唑-5(4H)-酮 (Z)-4-(cyclopropylethylidene)-3-methylisoxazol-5(4H)-one 96151-80-3 C9H11NO2
    (4S,CIS)-1,3-二恶烷-1,1-二甲基-6-2-氨乙基-1,2-二甲基-1-4-醋酸 tert-butyl (4S,6S)-6-(2-aminoethyl)-2,2-dimethyl-1,3-dioxane-4-acetate 947586-93-8 C14H27NO4
    (4S,7S,10R,13R)-10-乙烯基-1,3,4,5,7,8,10,11,12,13-十氢-4-(甲氧基甲基)-8,10,13-三甲基-7,13-二异丙基-6H-苯并[g][1,4]偶氮[7,6,5-cd]吲哚-6-酮 olovoretin C 90599-28-3 C29H43N3O2
    (4S,5S)-4,5-二羟基-1,3-二氧戊环-2-羧酸 (4S,5S)-4,5-dihydroxy-1,3-dioxolane-2-carboxylic acid 98480-38-7 C4H6O6
    (4S,5S)-3,4-二甲基-5-苯基-1,3-噻唑烷-2-亚胺硫氰酸盐 (4S,5S)-3,4-dimethyl-5-phenyl-thiazolidin-2-ylidene ammonium thiocyanate 953-35-5 CHNS*C11H14N2S
    (4S,5S)-(2,2-二甲基-1,3-二氧戊环-4,5-二基)双(二苯基甲醇) (S,S)-taddol 93379-49-8 C31H30O4
    (4S,5S)-(+)-吉马酮 4,5-环氧化物 (4S,5S)-germacrone 4,5-epoxide 92691-35-5 C15H22O2
    (4S,5R)-4-羟基-5-(羟基甲基)-L-脯氨酸 (2S,4S,5R)-4-hydroxy-5-(hydroxymethyl)pyrrolidine-2-carboxylic acid 95863-87-9 C6H11NO4
    (4S,5R)-3-[(2S)-6-[[叔丁氧羰基]氨基]-2-[[芴甲氧羰基]氨基]-1-氧代己基]-2,2,5-三甲基-4-恶唑烷羧酸 Fmoc-Lys(Boc)-Thr(Ψ(Me,Me)-Pro)-OH 911838-56-7 C33H43N3O8
    (4S)-八氢-4abeta-羟基-4alpha,8aalpha-二甲基-6alpha-(1-甲基乙烯基)-1(2H)-萘酮 corymbolone 97094-19-4 C15H24O2
    (4S)-N-巴豆酰基-4-异丙基-2-恶唑烷酮 (4S)-3-((E)-2-butenoyl)-4-(1-methylethyl)-2-oxazolidinone 90719-29-2 C10H15NO3
    (4S)-N-巴豆酰基-4-异丙基-2-恶唑烷酮 (4S)-3-((E)-2-butenoyl)-4-benzyl-2-oxazolidinone 90719-30-5 C14H15NO3
    (4S)-4-羟基-2-庚酮 (4S)-4-hydroxyheptan-2-one 93714-16-0 C7H14O2
    (4S)-4-氨基-4,5-二氢-2-呋喃羧酸 (S)-4-amino-4,5-dihydro-2-furancarboxylic acid 96014-23-2 C5H7NO3
    (4S)-4-乙基-1,3-恶唑烷-2-硫酮 (S)-4-ethyloxazolidine-2-thione 94238-48-9 C5H9NOS
    (4S)-4-[(1-甲基吲哚-3-基)甲基]-1,3-恶唑烷-2-酮 (4S)-4-[(1-Methyl-1H-indol-3-yl)methyl]-1,3-oxazolidin-2-one 919787-48-7 C13H14N2O2
    (4S)-3-[(2S)-6-[[叔丁氧羰基]氨基]-2-[[芴甲氧羰基]氨基]-1-氧代己基]-2,2-二甲基-4-恶唑烷羧酸 Fmoc-L-Lys(Boc)-L-Ser(Ψ<sup>Me,Me</sup>Pro)-OH 957780-54-0 C32H41N3O8
    (4S)-3-[(2S)-3-[4-(叔丁氧基)苯基]-2-[[芴甲氧羰基]氨基]-1-氧代丙基]-2,2,5-三甲基-4-恶唑烷羧酸 (4S,5R)-3-(N-alpha-(9-Fluorenylmethyloxycarbonyl)-O-t-butyl-L-tyrosinyl)-2,2,5-trimethyloxazolidine-4-carboxylic acid 920519-31-9 C35H40N2O7
    (4S)-2-[(1S)-7'-(二苯基膦基)-2,2',3,3'-四氢-1,1'-螺双[1H-茚]-7-基]-4,5-二氢-4-(苯基甲基)-恶唑 (S,S)-7-[4-(benzyl)oxazol-2-yl]-7'-diphenylphosphinyl-1,1'-spirobiindane 913829-88-6 C39H34NOP
    (4R,5s)-2-(4-(叔丁基)-2-乙氧基苯基)-4,5-双(4-氯苯基)-4,5-二甲基-4,5-二氢-1H-咪唑 (4S*,5R*)-4,5-bis(4-chlorophenyl)-2-(4-(tert-butyl)-2-ethoxy-phenyl)-4,5-dimethyl-4,5-dihydro-1H-imidazole 939981-35-8 C29H32Cl2N2O
    (4R,5S,8R,9R,11S,12S,13R,18S)-5,11-二羟基-9,16-二甲基-10-羰基-8-(2-羰基-2H-吡喃-5-基)-15,17,20-三氧杂六环[14.3.1.1~14,18~.0~1,13~.0~4,12~.0~5,9~]二十一烷-13-甲醛(non-preferredname) Daigremontianin 98205-50-6 C26H30O9
    (4R,5S)-5-苄基-4-(羟甲基)-1,3-恶唑烷-2-酮 (4R,5S)-5-benzyl-4-(hydroxymethyl)-1,3-oxazolidin-2-one 95832-37-4 C11H13NO3
    (4R,5S)-5-甲基-1-庚烯-4-醇 (4R,5S)-5-methylhept-1-en-4-ol 99328-46-8 C8H16O
    (4R,5S)-3-乙酰基-4-甲基-5-苯基-1,3-恶唑烷-2-酮 (4R,5S)-3-acetyl-4-methyl-5-phenyl-2-oxazolidinone 96093-41-3 C12H13NO3
    (4R,5S)-3-[(2E)-2-丁烯酰]-4-甲基-5-苯基-1,3-恶唑烷-2-酮 (4R,5S)-3-((E)-2-butenoyl)-4-methyl-5-phenyl-2-oxazolidinone 90719-31-6 C14H15NO3
    (4R,5S)-3,4-二苄基-5-(羟甲基)恶唑烷-2-酮 (4R,5S)-3,4-dibenzyl-5-(hydroxymethyl)-1,3-oxazolidin-2-one 95891-28-4 C18H19NO3
    (4R,5S)-(+)-4-甲基-5-苯基-1,3-恶唑啉-2-硫酮 (4R,5S)-4-methyl-5-phenyl-1,3-oxazolidine-2-thione 91794-28-4 C10H11NOS
    (4R,5R)-[5-(4-碘-苯基)-2-苯基-4,5-二氢-唑-4-基]-甲醇 [5-(4-iodo-phenyl)-2-phenyl-4,5-dihydro-oxazol-4-yl]-methanol 927689-68-7 C16H14INO2
    (4R,5R)-5-硝基-1-苄基-4-(2,4,5-三氟苯基)-2-哌啶酮 (4R,5R)-1-Benzyl-5-nitro-4-(2,4,5-trifluorophenyl)piperidin-2-one 945488-47-1 C18H15F3N2O3
    (4R,5R)-4,5-二氢-5-[4-(甲基磺酰基)苯基]-2-苯基-4-恶唑甲醇 D-threo-(-)-2-phenyl-4-(4-(methylsulfonyl)phenyl)-2-oxazole-5-methanol 96795-00-5 C17H17NO4S
    (4R,5R)-2,2-二甲基-a,a,a',a'-四苯基-1,3-二氧戊环-4,5-二甲醇 (R,R)-TADDOL 93379-48-7 C31H30O4
    (4R)-甘氨酰基-4-(苯甲酰基氨基)-L-脯氨酸盐酸盐 Danegaptide hydrochloride 943133-81-1 C14H17N3O4*ClH
    (4R)-4-蒽-9-基-4-羟基丁烷-2-酮 (4R)-4-hydroxy-4-(9'-anthranyl)-butan-2-one 909707-19-3 C18H16O2
    (4R)-4-苯并呋咱-4-基-2,6-二甲基-5-硝基-1,4-二氢吡啶-3-羧酸异丙酯 (-)-(R)-isopropyl 1,4-dihydro-2,6-dimethyl-3-nitro-4-(2,1,3-benzoxadiazol-4-yl)pyridine-5-carboxylate 97217-84-0 C17H18N4O5
    (4R)-4-氨基-4,5-二氢-2-呋喃羧酸 (S)-4-amino-4,5-dihydro-2-furancarboxylate 96014-24-3 C5H7NO3
    (4R)-4-乙基-2-恶唑烷酮 (4R)-4-ethyl-1,3-oxazolidin-2-one 98974-04-0 C5H9NO2
    (4R)-4-(4-硝基苯基)戊-2-酮 (R)-4-(4-nitrophenyl)pentan-2-one 90280-93-6 C11H13NO3
    (4R)-4-(3-溴苯基)-4-羟基丁烷-2-酮 (R)-4-(3-bromophenyl)-4-hydroxybutan-2-one 909707-18-2 C10H11BrO2
    (4R)-2-羟基-5,5-二甲基-4-苯基-1,3,2-二噁磷己环 2-氧化物 (-)-2-hydroxy-2-oxo-5,5-dimethyl-4-(R)-phenyl-1,3,2-dioxaphosphorinane 98674-80-7 C11H15O4P
    (4R)-2,2-二甲基-1,3-二氧戊环-4-甲酰氯 (R)-2,3-o-isopropylidene-D-glyceroyl chloride 97673-82-0 C6H9ClO3
    (4R)-1-羟基-4-(1-甲基乙烯基)-2-环己烯-1-甲醇1-乙酸酯 [(4R)-1-Hydroxy-4-(prop-1-en-2-yl)cyclohex-2-en-1-yl]methyl acetate 936001-98-8 C12H18O3
    (4R)-(-)-2-硫酮基-4-噻唑烷羧酸 (R)-tetrahydrothiazo-2-thione-4-carboxylic acid 98169-56-3 C4H5NO2S2
    (4E)-6,10-二甲基十一碳-4,9-二烯-1-基2,3,5-三甲苯基醚 pp(Chbr)pA 97474-27-6 C11H17BrN5O12P3