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    中文名称 英文名称 CAS号 化学式
    4H-1,3-二噁英并[4,5-c]吡啶正离子,8-[2-(2-呋喃基)乙基]-5-(羟甲基)-7-甲基-,碘化 [8-[2-(furan-2-yl)ethyl]-7-methyl-4H-[1,3]dioxino[4,5-c]pyridin-7-ium-5-yl]methanol;iodide 105551-26-6 C15H18NO4*I
    4H-1,3-二噁英并[4,5-c]吡啶正离子,5-(羟甲基)-2,7,8-三甲基-,碘化 5-Hydroxymethyl-2,7,8-trimethyl-4H-[1,3]dioxino[4,5-c]pyridin-7-ium; iodide 105551-07-3 C11H16NO3*I
    4H-1,3-二噁英并[4,5-c]吡啶,5-(溴甲基)-2,2,8-三甲基- α<sup>4</sup>,3-O-Isopropylidene-α<sup>5</sup>-pyridoxyl bromide 162610-76-6 C11H14BrNO2
    4H-1,3-二噁英-4-酮,2-(1,1-二甲基乙基)-,(R)- (R)-2-(tert-Butyl)-1,3-dioxin-4-one 139237-53-9 C8H12O3
    4H-1,3-二噁唑并[4,5-c]吡咯,4-[[[(1,1-二甲基乙基)二甲基甲硅烷基]氧代]甲基]-6-(1,3-二硫烷-2-基)四氢-2,2-二甲基-,(3aR,4R,6R,6aS)- 9-fluoro-1,2,3,4-tetrahydro-pyrazino[1,2-a]indole 256930-21-9 C11H11FN2
    4H-1,3,2-苯并二氧杂胚芽碱-4-酮,2,2-二乙基- 2,2-diethyl-2-germabenzo-6-oxo-1,3-dioxane 139415-81-9 C11H14GeO3
    4H-1,3,2-苯并二氧杂胚芽碱-2-亚基,4-羰基- 1,3-dioxane-6-oxo-benzo-2-germanediyl 139415-83-1 C7H4GeO3
    4H-1,3,2-苯并二噁磷英-4-酮,2-(2,2,3,3-四氟丙氧基)- 2-(2,2,3,3-tetrafluoropropoxy)benzo[e][1,3,2]dioxaphosphinin-4-one 137073-23-5 C10H7F4O4P
    4H-1,3,2-苯并二噁磷英-4-酮,2-(2,2,2-三氟乙氧基)- 2-(2,2,2-trifluoroethoxy)-4-oxo-5,6-benzo-1,3,2-dioxaphosphorinane 137073-22-4 C9H6F3O4P
    4H-1,2-苯并恶嗪-3-酮 benzoxazinone 37204-63-0 C8H7NO2
    4H-1,2-苯并恶嗪-3-甲酸甲酯 3-methoxycarbonyl-4H-1,2-benzoxazine 538342-16-4 C10H9NO3
    4H-1,2-恶唑-5-酮 Isoxazolon-(5) 1072-48-6 C3H3NO2
    4H-1,2-噻嗪-4-酮,3,5,6-三氯- 3,5,6-Trichlor-4H-1,2-thiazin-4-on 138128-73-1 C4Cl3NOS
    4H-1,2-噁嗪,6-乙氧基-5,6-二氢-3-(4-甲氧苯基)-5,5-二甲基-6-[(三甲基甲硅烷基)氧代]- 6-Ethoxy-3-(p-methoxyphenyl)-5,5-dimethyl-6-trimethylsilyloxy-5,6-dihydro-4H-1,2-oxazine 139620-63-6 C18H29NO4Si
    4H-1,2,4-苯并噻二嗪,3-氯-4-(1-甲基乙基)-,1,1-二氧化 3-chloro-4-izopropyl 4H-1,2,4-benzothiadiazine 1,1-dioxide 108221-79-0 C10H11ClN2O2S
    4H-1,2,4-苯并噻二嗪 1,1-二氧化物 2H-benzo[e][1,2,4]thiadiazine 1,1-dioxide 359-85-3 C7H6N2O2S
    4H-1,2,4-苯并代森环-3-基-二硫代氨基甲酸甲酯-S,S-二氧化物 Methyl-dithiocarbamic acid 1,1-dioxo-1,4-dihydro-1λ<sup>6</sup>-benzo[1,2,4]thiadiazin-3-yl ester 87344-00-1 C9H9N3O2S3
    4H-1,2,4-噻唑-4-乙胺 2-[1,2,4]triazol-4-yl-ethylamine 1008526-84-8 C4H8N4
    4H-1,2,4-噻唑-4-丙醇 3-(4H-1,2,4-triazol-4-yl)propan-1-ol 27106-94-1 C5H9N3O
    4H-1,2,4-噻唑-3,4-二胺 3,4-diamino-1,2,4-triazole 38104-45-9 C2H5N5
    4H-1,2,4-噻唑-3,4,5-三胺 3,4,5-Triamino-4H-1,2,4-triazole 473-96-1 C2H6N6
    4H-1,2,4-噁二嗪-5(6H)-硫酮,3,4-二苯基- 3,4-diphenyl-Δ<sup>2</sup>-dihydro-1,2,4-oxadiazine-5-thione 139698-08-1 C15H12N2OS
    4H-1,2,4-三氮唑,3,4-二甲基-(8CI,9CI) 3,4-dimethyl-1,2,4-triazole 16778-74-8 C4H7N3
    4H-1,2,4-三唑-4-胺 4-amino-1,2,4-triazol-1-ium chloride 25545-88-4 C2H4N4*ClH
    4H-1,2,4-三唑-4-乙酸,3-甲基-,酰肼 N,N-dibutyl-2-(3-hydroxy-6-isopropylquinolin-2-yl)-1,3-dioxo-2,3-dihydro-1H-indene-5-carboxamide 147613-95-4 C30H34N2O4
    4H-1,2,4-三唑-3-胺,N,4-二苯基-5-(4-吡啶基)- 3-Anilino-4-phenyl-5-(pyridyl-(4))-1,2,4-4H-triazol 15215-85-7 C19H15N5
    4H-1,2,4-三唑-3-胺,N,4-二(3-氯苯基)-5-苯基- 3-<m-Chloranilino>-4-<m-chlorphenyl>-5-phenyl-1,2,4-4H-triazol 15129-17-6 C20H14Cl2N4
    4H-1,2,4-三唑-3-羧酸 methyl 4-methyl-4H-1,2,4-triazole-3-carboxylate 68984-31-6 C5H7N3O2
    4H-1,2,4-三唑-3,5-二胺,4-丙基- methyl [(3E)-3,6,6-trimethylcycloundec-3-en-10-yn-1-yl] ether 791809-97-7 C15H24O
    4H-1,2,4-三唑-3,4-二胺氢溴酸盐 3,4-diamino-1,2,4-triazole hydrobromide 23160-99-8 BrH*C2H5N5
    4H-1,2,4-三唑,4-乙基-3-硝基- 4-ethyl-3-nitro-1,2,4-triazole 139339-81-4 C4H6N4O2
    4H-1,2,4-三唑,4-(苯基甲氧基)- 4-benzyloxy-1,2,4-triazole 164260-87-1 C9H9N3O
    4H-1,2,4-三唑,4-(1-甲基乙基)-3-硝基-(9CI) Antimicrobial peptide 1, plant 139632-17-0 C124H194N38O37S7
    4H,9H-吡咯并[1,2-a][1,2,3]三唑并[1,5-D]吡嗪-9-酮 8-oxopyrrolo[1,2-d][1,2,3]triazolo[5,1-a]pyrazine 749926-22-5 C8H6N4O
    4H,9H-二吡唑并[1,5-a:1,5-d]吡嗪-4,9-二醇 pyrazole-3-carbaldehyde dimer 400079-96-1 C8H8N4O2
    4H,9H-二吡唑并[1,5-A:1',5'-D]吡嗪-4,9-二酮 dipyrazolo[1,5-a;1',5'-d]pyrazine-4,9-dione 138813-24-8 C8H4N4O2
    4H,6H-噻吩并[3,4-c]呋喃,4-甲基-6-(4-戊烯基)-,5,5-二氧化 6-methyl-4-pent-4-enyl-4,6-dihydrothieno[3,4-c]furan 5,5-dioxide 138905-78-9 C12H16O3S
    4H,6H-1,3-二噁唑并[3,4]吡咯并[1,2-c]噁唑(8CI,9CI) 3,3-Dimethylpiperidine-2,6-dicarboxylic acid 774479-36-6 C9H15NO4
    4H,5H-吡喃并[3,2-c][1]苯并吡喃-3-羧酸,2-氨基-4-(4-溴苯基)-5-羰基-,乙基酯 ethyl 2-amino-4-(4-bromophenyl)-5-oxo-4,5-dihydropyrano[3,2-c]chromene-3-carboxylate 158833-80-8 C21H16BrNO5
    4H,5H-吡喃并[3,2-c][1]苯并吡喃-3-甲腈,2-氨基-4-(4-甲氧苯基)-5-羰基- 2-amino-3-cyano-4-(4'-methoxyphenyl)-4H,5H-pyrano[3,2-c]benzopyran-5-one 177028-92-1 C20H14N2O4
    4H,5H,6H-环戊二烯并[D][1,3]噻唑 5,6-dihydro-4<i>H</i>-cyclopentathiazole 5661-10-9 C6H7NS
    4H,5H,6H,7H-呋喃[3,2-c]吡啶-4-酮 6,7-dihydrofuro[3,2-c]pyridin-4(5H)-one 1528800-56-7 C7H7NO2
    4H,4'H-八氟联苯 2,2',3,3',5,5',6,6'-octafluoro-1,1'-biphenyl 3883-86-1 C12H2F8
    4CI)-1-丁基-3-丙酰基脲 <i>N</i>-butyryl-<i>N</i>'-propionyl-urea 873384-48-6 C8H14N2O3
    4BETA-羟基醉茄内酯E 4β-hydroxywithanolide E 54334-04-2 C28H38O8
    4B-氟-6B-羟基乙酰基-5-羟基-4A,6A,8,8-四甲基-4A,4B,5,6,6A,6B,9A,10B,11,12-十氢-2H-萘并[2',1':4,5]茚并[1,2-d][1,3]二氧杂环戊烯-2-酮 6,7-Dehydro Triamcinolone Acetonide 1893-84-1 C24H29FO6
    4B,5,9B,10-四氢茚并[1,2-b]吲哚 4b,5,9b,10-Tetrahydroindeno[1,2-b]indole 133571-34-3 C15H13N
    4B,5,5A,6-四氢-5,6-甲桥环丙并[3,4]环戊二烯并[1,2-c]吡啶 9-azatetracyclo[5.4.0.02,4.03,6]undeca-1(7),8,10-triene 100190-87-2 C10H9N
    4B,5,5A,6-四氢-5,6-甲桥环丙并[3,4]环戊二烯并[1,2-b]吡啶 4B,5,5a,6-tetrahydro-5,6-methanocyclopropa[3,4]cyclopenta[1,2-b]pyridine 108744-35-0 C10H9N
    4B,10alpha-二氢-4B-苯基苯并[b]苯并[3,4]环丁并[1,2-e][1,4]二恶英 Benzo[b]benzo[3,4]cyclobuta[1,2-e][1,4]dioxin, 4b,10a-dihydro-4b-phenyl- 53486-88-7 C20H14O2