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    中文名称 英文名称 CAS号 化学式
    2H-薁并[1,8-Cd][1,2]恶唑 2H-Azuleno[1,8-cd]isoxazole(9CI) 76758-84-4 C10H7NO
    2H-萘并[8a,1-b]呋喃-2-酮,3,3a,4,5,6,6a,7,8-八氢-6,9-二甲基-3-亚甲基-,(3aS,6R,6aS,10aS)- deoxyarteannuin B 78092-22-5 C15H20O2
    2H-茚并[5,6-d][1,3]噻唑 2H-Indeno[5,6-D]thiazole 78988-61-1 C10H7NS
    2H-茚-2-甲醛 2h-Indene-2-carbaldehyde 724772-74-1 C10H8O
    2H-硫杂环丁烯 1,1-二氧化物 2H-thiete 1,1-dioxide 7285-32-7 C3H4O2S
    2H-环戊二烯并[b]呋喃-2-酮,4,5,6,6a-四氢-3-(1-甲基乙基)-(9CI) Viskaldix 71789-16-7 C28H40ClN5O5S
    2H-环戊二烯并[b][1,2]恶唑并[4,5-e]吡啶 2H-Cyclopenta[b][1,2]oxazolo[4,5-e]pyridine 72229-98-2 C9H6N2O
    2H-嘧啶并[1,2-a]嘧啶-2-酮 2H-pyrimido[1,2-a]pyrimidin-2-one 744255-46-7 C7H5N3O
    2H-呋喃并[2,3,4-Ij]异喹啉 2H-Furo[2,3,4-IJ]isoquinoline 78393-53-0 C10H7NO
    2H-吡喃o[3,2-c]吡啶-4(3h)-酮 2,3-dihydro-pyrano[3,2-<i>c</i>]pyridin-4-one 71671-82-4 C8H7NO2
    2H-吡喃-4-醇,四氢-4-甲基-2-丙基-,乙酸酯,(2S,4S)-(9CI) 2,4-dioxo-valeric acid amide 725240-73-3 C5H7NO3
    2H-吡喃-3,4-二酮 Pyran-3,4-dion 76031-43-1 C5H4O3
    2H-吡喃-2-甲醇,6-乙氧基四氢-3-甲基-,乙酸酯,[2S-(2α,3bta,6bta)]-(9CI) 1-methoxy-1,4,8-trimethyl-cyclododeca-4,8-diene 75531-54-3 C16H28O
    2H-吡喃-2,4(3H)-二酮,6-乙基-3-(1-羰基戊基)- 6-ethyl-3-valeryl-pyran-2,4-dione 725266-67-1 C12H16O4
    2H-吡啶并[2,3-e]-1,2,4-噻二嗪-3-胺,1,1-二氧化物 1,1-dioxo-1,2(4)-dihydro-1λ<sup>6</sup>-pyrido[2,3-<i>e</i>][1,2,4]thiadiazin-3-ylamine 70661-81-3 C6H6N4O2S
    2H-吡啶并(2,3-e)-1,2,4-噻二嗪-3(4H)-酮,1,1-二氧化物 1,1-dioxo-1,4-dihydro-2<i>H</i>-1λ<sup>6</sup>-pyrido[2,3-<i>e</i>][1,2,4]thiadiazin-3-one 70661-80-2 C6H5N3O3S
    2H-吡咯并[3,4-d][1,3]噻唑 2H-Pyrrolo[3,4-D]thiazole 72332-80-0 C5H4N2S
    2H-吡咯并[3,4-c]吡啶-2-乙酸,7-氨基-1,3-二氢--α-,6-二甲基-1,3-二羰基- 5-cyclopentyl-3,5-dioxo-pentanoic acid 706817-89-2 C10H14O4
    2H-吡咯-2-酮,1-乙酰基-1,5-二氢-5-(2-丙烯基)-,(S)-(9CI) (1R,3S)-3-Chlorocarbonyl-2,2-dimethyl-cyclopropanecarboxylic acid ethyl ester 74408-49-4 C9H13ClO3
    2H-吡咯,3,4-二氢-4-[(4-甲氧苯基)亚甲基]-,(4Z)- 3-methyl-1-(2,3,4-trihydroxy-phenyl)-butan-1-one 757408-19-8 C11H14O4
    2H-吖庚英-7-胺,3,4,5,6-四氢-3,5-二甲基- 4-(2,3-epoxypropoxy)-1H-indol-2-carbonitrile 73907-82-1 C12H10N2O2
    2H-[1,3]恶唑并[4,5-e]吲哚 2H-Pyrrolo[3,2-E]benzoxazole 77482-56-5 C9H6N2O
    2H-[1,3,5]噻二嗪并[3,2-a]苯并咪唑 2H-[1,3,5]Thiadiazino[3,2-a]benzimidazole 75173-55-6 C9H7N3S
    2H-1,4-苯并噻嗪-3(4H)-硫酮,5-氟-4-甲基- 2'-Deoxy-2'-azidoadenosine triphosphate 73449-06-6 C10H15N8O12P3
    2H-1,3,5-噁二嗪,四氢-3,5-二(1-甲基乙基)- (4R<sup>*</sup>,6S<sup>*</sup>,7R<sup>*</sup>)-7-acetyloxy-4,6-dimethyl-3-nonanone 72485-37-1 C13H24O3
    2H,3H-氧杂环丁烷并[3,2-d]吡咯并[1,2-a]氮杂卓 2H,3H-Oxeto[3,2-D]pyrrolo[1,2-A]azepine 700373-43-9 C10H9NO
    29H,31H-酞菁-1,2,3,4-四磺酸,钴(2+)盐(1:1) N-(isovaleryl)-glycinohydroxamic acid 73912-95-5 C7H14N2O3
    28-去甲齐墩果-12-烯-3-酮 3-oxo-28-norolean-12-ene 73493-60-4 C29H46O
    27-氨基-4,7,10,13,16,19,22,25-八氧杂二十七烷酸叔丁酯 tert-butyl 1-amino-3,6,9,12,15,18,21,24-octaoxaheptacosan-27-oate 756526-06-4 C23H47NO10
    27-氨基-4,7,10,13,16,19,22,25-八氧杂二十七烷酸 1-amino-3,6,9,12,15,18,21,24-octaoxaheptacosan-27-oic acid 756526-04-2 C19H39NO10
    27-去甲-25-氧代胆固醇 27-nor-5-cholesten-3β-ol-25-one 7494-34-0 C26H42O2
    25-二羟基维生素 D3-d6 <26,27-2H6>-25-hydroxyvitamin D3 78782-98-6 C27H44O2
    24-去氢维生素原D3 24-Dehydroprevitamin D3 70574-97-9 C27H42O
    24-二氟苯甲酰乙腈 3-(2,4-difluorophenyl)-3-oxopropanenitrile 71682-95-6 C9H5F2NO
    24-(异丙基碲基)胆-5-烯-3beta-醇 3β-Hydroxy-24-(isopropyltelluro)-chol-5-en 72249-76-4 C27H46OTe
    23-O-去甲磺酰基酪氨酸酶 demycinosyltylosin 79592-92-0 C38H63NO13
    22S,23S-表油菜素内酯 (22S,23S)-24-epibrassinolide 78821-42-8 C28H48O6
    22-羟基-25-氟胆固醇 22-Hydroxy-25-fluorocholesterol 76752-41-5 C27H45FO2
    22-甲氧基-22-氧代二十烷酸 1,22-docosanedioic acid monomethyl ester 7511-30-0 C23H44O4
    22-溴二十二烷酸 22-bromodocosanoic acid 78774-39-7 C22H43BrO2
    22-异-蜕皮激素 (22S)-2β,3β,14α,22,25-Pentahydroxy-6-oxo-Δ<sup>7</sup>-5β-cholesten 7703-83-5 C27H44O6
    21-氨基-6,9,18-三(2-氨基乙基)-3-(1-羟基乙基)-12,15-二(2-甲基丙基)-1,4,7,10,13,16,19-七氮杂环二十三烷-2,5,8,11,14,17,20-七酮 21-Amino-6,9,18-tris(2-aminoethyl)-3-(1-hydroxyethyl)-12,15-bis(2-methylpropyl)-1,4,7,10,13,16,19-heptazacyclotricosane-2,5,8,11,14,17,20-heptone 75748-25-3 C32H61N11O8
    21-氨基-17-羟基孕甾-1,4-二烯-3,11,20-三酮盐酸盐 17-(2-Amino-1-oxoethyl)-17-hydroxy-10,13-dimethyl-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,11-dione hydrochloride 744254-12-4 C21H28ClNO4
    21-[(3aS,4S,6aR)-六氢-2-氧代-1H-噻吩并[3,4-d]咪唑-4-基]-17-氧代-4,7,10,13-四氧杂-16-氮杂二十一烷酸 17-oxo-21-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)-4,7,10,13-tetraoxa-16-azahenicosan-1-oic acid 721431-18-1 C21H37N3O8S
    21-O-乙酰基6β-羟基地塞米松 21-O-Acetyl 6beta-Hydroxy Dexamethasone 72559-77-4 C24H31FO7
    21-CL氢化可的松 21-Chlor-17α-hydroxy-3,20-dioxo-pregnadien-(4,9(11)) 75868-48-3 C21H27ClO3
    21-CL氢化可的松 21-chloro-17-hydroxy-pregna-4,9(11)-diene-3,20-dione 75868-48-3 C21H27ClO3
    21-(4-壬基苯氧基)-4,7,10,13,16,19-六氧杂二十一烷酸钠盐 4,7,10,13,16,19-Hexaoxaheneicosanoic acid, 21-(4-nonylphenoxy)-, sodium salt 70179-80-5 C30H51NaO9
    21,22-二氢-21,22-二羟基番木鳖碱-10-酮 Strychnine, 21,22-dihydro-21,22-dihydroxy- 70702-55-5 C21H24N2O4
    20-脱氧巨大戟醇3-当归酸酯 20-deoxy-ingenol-3-O-angelate 75567-38-3 C25H34O5