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    中文名称 英文名称 CAS号 化学式
    4H-吡喃并[3,2-h]喹啉-3-甲腈,2-氨基-4-(4-氯苯基)- 2-amino-4-(p-chlorophenyl)-4H-pyrano<3,2-h>quinoline-3-carbonitrile 132546-97-5 C19H12ClN3O
    4H-吡喃并[2,3-d]哒嗪-3,8-二甲腈,2-氨基-5,6-二氢-4,5,6-三苯基- 2-amino-5,6-dihydro-4,5,6-triphenyl-4H-pyrano<2,3-d>pyridazine-3,8-dicarbonitrile 106032-39-7 C27H19N5O
    4H-吡喃并[2,3-c]吡啶-4-酮,八氢-2,6,7,8a-四甲基- 2,6,7,9-Tetramethyl-7-azahydrochroman-4-on 13233-81-3 C12H21NO2
    4H-吡喃并[2,3-b]吡啶-6,6(7H)-二甲腈,3-乙酰基-5-氨基-2-甲基-4,7-二苯基- 5-Amino-3-acetyl-4,7-diphenyl-2-methyl-6,7-dihydro-4H-pyrano<2,3-b>pyridine-6,6-dicarbonitrile 115041-50-4 C25H20N4O2
    4H-吡喃并[2,3-b]吡啶-4-酮,6-氯-2,3-二氢-2-甲基-,(R)- 6-chloro-3,4-dihydro-2(R)-methyl-4-oxo-2H-pyrano<2,3-b>pyridine 138126-72-4 C9H8ClNO2
    4H-吡喃并[2,3-b]吡啶-4-酮 4H-Pyrano[2,3-b]pyridin-4-one 22052-71-7 C8H5NO2
    4H-吡喃-4-酮,2-氯-6-(4-吗啉基)- 6-chloro-2-(4-morpholin-4-yl)pyran-4-one 119671-47-5 C9H10ClNO3
    4H-吡喃-4-酮,2-(羟甲基)-3-[(4-硝基苯基)甲氧基]- 2-hydroxymethyl-3-(p-nitrobenzyloxy)-4H-pyran-4-one 106203-48-9 C13H11NO6
    4H-吡喃-4-酮,2-(4-氯苯基)-3-碘-6-苯基- 2-(4-Chlorophenyl)-3-iodo-6-phenylpyran-4-one 109346-13-6 C17H10ClIO2
    4H-吡喃-4-酮,2-(2-甲氧苯基)-6-(4-吗啉基)- 6-(2-methoxyphenyl)-2-(4-morpholinyl)-4H-pyran-4-one 155906-26-6 C16H17NO4
    4H-吡喃-4-酮,2-(2-氯苯基)-2,3-二氢- 2-(o-chlorophenyl)-2,3-dihydro-4H-pyran-4-one 176698-02-5 C11H9ClO2
    4H-吡喃-4-酮,2,3-二甲基- Cuminyl hydroperoxide 82231-60-5 C10H14O2
    4H-吡喃-4-酮,2,3-二氢-6-壬基- 6-nonyl-2,3-dihydro-4H-pyran-4-one 140171-46-6 C14H24O2
    4H-吡喃-4-酮,2,3-二氢-2-甲基-,(2R)-(9CI) 4-Amino-5-fluoro-2-methylbenzenethiol 745753-02-0 C7H8FNS
    4H-吡喃-4-酮,2,3-二氢-2-(4-硝基苯基)- 2-(4-nitrophenyl)-2,3-dihydro-4H-pyran-4-one 188116-44-1 C11H9NO4
    4H-吡喃-4-酮,2,3-二氢-2,6-二甲基- 2,3-Dihydro-2,6-dimethyl-4-pyron 16000-13-8 C7H10O2
    4H-吡喃-4-硫酮,3-碘-2-(4-甲氧苯基)-6-苯基- 3-Iodo-2-(4-methoxyphenyl)-6-phenylpyran-4-thione 109346-16-9 C18H13IO2S
    4H-吡喃-4-硫酮,2-(4-氯苯基)-6-苯基- 2-p-chlorophenyl-6-phenyl-4H-pyran-4-thione 101439-41-2 C17H11ClOS
    4H-吡喃-4-硫酮,2,6-二苯基- 2,6-Diphenyl-4H-pyran-4-thion 1029-95-4 C17H12OS
    4H-吡喃-3,5-二羧酸,2-甲基-4-苯基-6-(1-哌啶基)-,3-乙基5-甲基酯 4H-Pyran-3,5-dicarboxylic acid, 2-methyl-4-phenyl-6-(1-piperidinyl)-,3-ethyl 5-methyl ester 139884-13-2 C22H27NO5
    4H-吡喃-3,5-二羧酸,2,4-二苯基-6-(1-哌啶基)-,3-乙基5-甲基酯 2,4-Diphenyl-6-piperidin-1-yl-4H-pyran-3,5-dicarboxylic acid 3-ethyl ester 5-methyl ester 139884-14-3 C27H29NO5
    4H-吡喃-2-丁酰胺,6-羟基-b,4-二羰基- N-Desmethyldroloxifene 83647-33-0 C25H27NO2
    4H-吡喃-2,6-二甲酸 4<i>H</i>-Pyran-2,6-dicarbonsaeure 23047-07-6 C7H6O5
    4H-吡喃 4H-pyran 289-65-6 C5H6O
    4H-吡啶并[3,2-f]喹唑啉-1,3-二酮 4H-Pyrido[3,2-f]quinazoline-1,3-dione 103495-03-0 C11H7N3O2
    4H-吡啶并[2,3-e][1,2,4]噻二嗪-3-胺1,1-二氧化 2-(2,1,3-benzothiadiazol-4-ylmethylamino)ethyl carbamimidothioate;hydron;bromide —— C10H14BrN5S2
    4H-吡啶并[2,3-d][1,3]恶嗪-4-酮 4H-Pyrido[2,3-d][1,3]oxazin-4-one 109171-82-6 C7H4N2O2
    4H-吡啶并[2,3-b]吡嗪-3-酮 4H-pyrido[2,3-b]pyrazin-3-one 35252-02-9 C7H5N3O
    4H-吡啶并[1,2-a]嘧啶-4-酮,3-乙基八氢-1,2,6-三甲基- 4-methyl-2-(methylsulfonyl)-1,3-benzoxazole 791594-86-0 C9H9NO3S
    4H-吡啶并[1,2-a]嘧啶-4-酮,3-乙基-2,6,8-三甲基- 2,6,8-Trimethyl-3-ethyl-4H-pyrido<1,2-a>pyrimidin-4-on 16867-32-6 C13H16N2O
    4H-吡啶并[1,2-a]嘧啶-4-酮 pyrido[1,2-a]pyrimidin-4-one 23443-10-9 C8H6N2O
    4H-吡唑并[3,4-d]嘧啶-4-酮,6-(2,4-二氯苯基)-1,5-二氢- 6-(2,4-dichlorophenyl)-1,2-dihydropyrazolo[3,4-d]pyrimidin-4-one 139954-42-0 C11H6Cl2N4O
    4H-吡唑并[3,4-d]嘧啶-4-酮,1,5-二氢-1-甲基-6-(4-甲基苯基)- 6-(4-methylphenyl)-1-methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one 139954-48-6 C13H12N4O
    4H-吡唑并[3,4-d]嘧啶-4-酮,1,5,6,7-四氢-1-苯基-6-硫代- 1-phenyl-6-thioxo-1,5,6,7-tetrahydro-4H-pyrazolo[3,4-d]pyrimidin-4-one 156718-77-3 C11H8N4OS
    4H-吡唑并[3,4-d]嘧啶 4H-Pyrazolo[3,4-d]pyrimidine 271-76-1 C5H4N4
    4H-吡唑并[1,5-c][1,3]噻唑-2-甲醛 4H-5-Thia-1,6a-diazapentalen-2-carbaldehyde 623564-68-1 C6H6N2OS
    4H-吡唑并[1,5-c][1,3]噻唑-2-基甲醇 (4H,6H-pyrazolo[1,5-c]thiazol-2-yl)methanol 623564-67-0 C6H8N2OS
    4H-吡唑并[1,5-a]苯并咪唑-6-胺 6-amino-pyrazolo[1,5-a]benzimidazole 217318-25-7 C9H8N4
    4H-吡唑并[1,5-a]苯并咪唑-3-胺 1H-pyrazolo[1,5-a]benzimidazol-3-amine 197356-50-6 C9H8N4
    4H-吡唑并[1,5-a]苯并咪唑-3-甲酰胺 4h-Pyrazolo[1,5-a]benzimidazole-3-carboxamide 86796-30-7 C10H8N4O
    4H-吡唑并[1,5-a]苯并咪唑-2-甲酰胺 4H-Pyrazolo[1,5-a]benzimidazole-2-carboxamide 94782-81-7 C10H8N4O
    4H-吡唑并[1,5-a]苯并咪唑-2,3-二胺 1H-pyrazolo[1,5-a]benzimidazole-2,3-diamine 227611-69-0 C9H9N5
    4H-吡唑并[1,5-a]嘧啶-7-酮 4H-Pyrazolo[1,5-a]pyrimidin-7-one 29274-23-5 C6H5N3O
    4H-吡唑[5,1-C][1,4] 6,7-二氢恶嗪-2-羧酸乙酯 ethyl 6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazine-2-carboxylate 623565-57-1 C9H12N2O3
    4H-吡唑[1,2-A]吡嗪-4-八氢酮 octahydro-pyrido[1,2-<i>a</i>]pyrazin-4-one 109814-50-8 C8H14N2O
    4H-吡唑-4-酮,3-乙基-5-甲基-,1,2-二氧化 2,3-Aid-mannuronic acid 82975-15-3 C10H14N2O6
    4H-吡唑-4-酮,3,5-二氢-3,3,5,5-四甲基-,腙 3,3,5,5-Tetramethyl-3,5-dihydro-4H-pyrazol-4-one Hydrazone 16642-47-0 C7H14N4
    4H-吡唑-4-酮,1,5-二氢-1,3,5,5-四甲基-,2-氧化 1,3,5,5-Tetramethyl-4-oxo-2-pyrazolin-2-oxid 89851-97-8 C7H12N2O2
    4H-吡唑,3,4,4,5-四甲基-,1,2-二氧化 (2H)-tetrahydrothiopyran-2-carbonyl chloride 147164-54-3 C6H9ClOS
    4H-吡咯并[3,4-d]嘧啶 4H-Pyrrolo[3,4-d]pyrimidine 14458-74-3 C6H5N3