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    中文名称 英文名称 CAS号 化学式
    (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
    (4E)-5-(羟甲基)-4-({[2-(5-甲氧基-1H-吲哚-3-基)乙基]氨基}甲亚基)-2-甲基吡啶-3(4H)-酮 Lysyl-2,3-bis(2-amino-5-carbamimidamidopentanoyl)-6-(2-amino-3-hydroxybutanoyl)-5-(2,5-diaminopentanoyl)-N-ornithyltyrosine 97984-85-5 C41H74N16O10
    (4E)-5-(羟甲基)-4-({[2-(1H-吲哚-3-基)乙基]氨基}甲亚基)-2-甲基吡啶-3(4H)-酮 6-(2-Chlorophenyl)-4-hydroxy-4H-imidazo(1,5-a)(1,4)benzodiazepine-3-carboxamide 98602-08-5 C18H13ClN4O2
    (4E)-5-(羟基甲基)-4-[[2-(5-甲氧基-1H-吲哚-3-基)乙基氨基]甲亚基]-2-甲基-吡啶-3-酮 1-(3-Hydroxymethyl-5-hydroxy-6-methyl-pyridyl-(4)-methylen-amino)-2-(5-methoxy-3-indolyl)-ethan 98497-90-6 C19H21N3O3
    (4E)-4-亚肼基-2-戊酮 acetylacetone monohydrazone 96289-10-0 C5H10N2O
    (4E)-4-[2-(1H-苯并咪唑-2-基)肼亚基]-3-羟基环己-2,5-二烯-1-酮 2-(Diethylamino)-N-methyl-N-(2-phenethyl)acetamide hydrochloride 97703-08-7 C15H25ClN2O
    (4E)-4-(1-环丙基乙基亚基)-3-甲基-1,2-恶唑-5(4H)-酮 (E)-4-(cyclopropylethylidene)-3-methylisoxazol-5(4H)-one 96151-79-0 C9H11NO2
    (4AS,9AR)-4,4A,9,9A-四氢茚并[2,1-B][1,4]噁嗪-3(2H)-酮 (4aS,9aR)-4,4a,9,9a-tetrahydroindeno[2,1-b][1,4]oxazin-3(2H)-one 913718-34-0 C11H11NO2
    (4-苯基四氢-2H-吡喃-4-基)甲醇 (4-Phenyloxan-4-yl)methanol 930111-15-2 C12H16O2
    (4-苯基-2-噻唑)甲胺 (4-phenylthiazol-2-yl)methanamine 90916-45-3 C10H10N2S
    (4-苯基-2-哌嗪)甲胺 3-aminometil-1-fenilpiperizina 91532-95-5 C11H17N3
    (4-苯基-1,3-噻唑-2-基)乙酸甲酯 2-Methoxycarbonylmethyl-4-phenylthiazol 93001-82-2 C12H11NO2S
    (4-苄氧基-3-甲氧基-苯基)-(2-三氟甲基-吡啶-3-基)-甲酮 (4-benzyloxy-3-methoxy-phenyl)-(2-trifluoromethyl-pyridin-3-yl)-methanone 923287-84-7 C21H16F3NO3
    (4-羟基间亚苯基)双(乙酸-汞) o,p-(HgCH3CO2)2-C6H3-OH 99071-30-4 C10H10Hg2O5
    (4-羟基苯基)磷酸二氢盐 (4-hydroxyphenyl)phosphoric acid 940-75-0 C6H7O5P
    (4-羟基苯基)氨基硫代甲酸S-酸 (4-Hydroxyphenyl)carbamothioic acid 92903-52-1 C7H7NO2S
    (4-羟基苯基)[4-甲氧基-2-(甲氧基甲氧基)-6-甲基苯基]甲酮 (4-hydroxyphenyl)[4-methoxy-2-(methoxymethoxy)-6-methylphenyl]methanone 923017-41-8 C17H18O5
    (4-羟基苯基)-[5-甲氧基-2-(甲氧基甲氧基)苯基]甲酮 (4-hydroxyphenyl)[5-methoxy-2-(methoxymethoxy)phenyl]methanone 923017-27-0 C16H16O5
    (4-羟基苯基)-[4-甲氧基-2-(甲氧基甲氧基)苯基]甲酮 (4-hydroxyphenyl)[4-methoxy-2-(methoxymethoxy)phenyl]methanone 923016-95-9 C16H16O5
    (4-羟基苯基)-[3-甲氧基-2-(甲氧基甲氧基)苯基]甲酮 (4-hydroxyphenyl)[3-methoxy-2-(methoxymethoxy)phenyl]methanone 923017-30-5 C16H16O5