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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— Pyrazine, 2,5-bis(trimethylsilyloxy)- —— C10H20N2O2Si2
    Pyrazine, 2,5-bis(trimethylsilyloxy)-
    —— Phenylephrine, N,o,o-tris(heptafluorobutyryl) deriv. —— C21H10F21NO5
    Phenylephrine, N,o,o-tris(heptafluorobutyryl) deriv.
    —— Phosphonic acid, [3-(acetylamino)propyl]-, bis(trimethylsilyl) ester —— C11H28NO4PSi2
    Phosphonic acid, [3-(acetylamino)propyl]-, bis(trimethylsilyl) ester
    —— Pentan-1-one, 1-(5-bromo-2-hydroxy-3-indolylazo)-2-hydroxy-3-propyl- —— C16H20BrN3O3
    Pentan-1-one, 1-(5-bromo-2-hydroxy-3-indolylazo)-2-hydroxy-3-propyl-
    —— p-Hydroxynorephedrine, N,o,o-tris(heptafluorobutyryl)deriv. —— C21H10F21NO5
    p-Hydroxynorephedrine, N,o,o-tris(heptafluorobutyryl)deriv.
    —— Propanediamide, N,N-dioctyl-N'-[6-(t-butoxycarbonylamino)hexyl]- —— C30H59N3O4
    Propanediamide, N,N-dioctyl-N'-[6-(t-butoxycarbonylamino)hexyl]-
    —— Pyrrole-2-carboxylic acid, N-trimethylsilyl-, trimethylsilyl ester —— C11H21NO2Si2
    Pyrrole-2-carboxylic acid, N-trimethylsilyl-, trimethylsilyl ester
    —— Pyrrolidin-2-one, 4-(2-methoxy-2-oxoethyl)-4,5-dimethyl-3-(3-methoxy-3-oxopropyl)-5-[3-(2-methoxy-2-oxoethyl)-4-(3-methoxy-3-oxopropyl)-5-(1-hydroxyethyl)-4-methyl-3,4(2H)-dihydropyrrol-2-yl]- —— C27H42N2O10
    Pyrrolidin-2-one, 4-(2-methoxy-2-oxoethyl)-4,5-dimethyl-3-(3-methoxy-3-oxopropyl)-5-[3-(2-methoxy-2-oxoethyl)-4-(3-methoxy-3-oxopropyl)-5-(1-hydroxyethyl)-4-methyl-3,4(2H)-dihydropyrrol-2-yl]-
    —— Pyridin-2-yl-phosphoramidic acid phenyl ester 2,2,2-trifluoro-ethyl ester —— C13H12F3N2O3P
    Pyridin-2-yl-phosphoramidic acid phenyl ester 2,2,2-trifluoro-ethyl ester
    —— Pyrrole, 4-amnio-1-boc-2-(methylamino)carbonyl- —— C11H17N3O3
    Pyrrole, 4-amnio-1-boc-2-(methylamino)carbonyl-
    —— Phenylamine, 4,5-dimethyl-N-ribityl-2-phenylazo- —— C19H25N3O4
    Phenylamine, 4,5-dimethyl-N-ribityl-2-phenylazo-
    —— Pyrrolidine-1-carboxylic acid, 2-cyclohexylaminocarbonyl-4-hydroxy-, phenyl ester —— C18H24N2O4
    Pyrrolidine-1-carboxylic acid, 2-cyclohexylaminocarbonyl-4-hydroxy-, phenyl ester
    —— Pyrazole, 1-(3,5-dichloro-2-methoxybenzoyl)- —— C11H8Cl2N2O2
    Pyrazole, 1-(3,5-dichloro-2-methoxybenzoyl)-
    —— Propanoic acid, 2,2-dimethyl-, [2,3,3a,9a-tetrahydro-6-oxo-3-[(trimethylsilyl)oxy]-6H-furo[2',3':4,5]oxazolo[3,2-a]pyrimidin-2-yl]methyl ester —— C17H26N2O6Si
    Propanoic acid, 2,2-dimethyl-, [2,3,3a,9a-tetrahydro-6-oxo-3-[(trimethylsilyl)oxy]-6H-furo[2',3':4,5]oxazolo[3,2-a]pyrimidin-2-yl]methyl ester
    —— Pyrazol-5-amine, 3-(4-bromophenyl)-1-cyclohexyl- —— C15H18BrN3
    Pyrazol-5-amine, 3-(4-bromophenyl)-1-cyclohexyl-
    —— Pyridine-2(1H)-thione, 5,6-dihydro-3-cyclohexylamino-6,6-dimethyl- —— C13H22N2S
    Pyridine-2(1H)-thione, 5,6-dihydro-3-cyclohexylamino-6,6-dimethyl-
    —— Piperidine, 1-[2,2-dimethyl-3-(3-phenyl-1-ethynyl)cyclopropyl]- —— C18H23N
    Piperidine, 1-[2,2-dimethyl-3-(3-phenyl-1-ethynyl)cyclopropyl]-
    —— Pyridine-3,5-dicarboxylic acid, 1,4-dihydro-4-(2-butoxyphenyl)-1,2,6-trimethyl-, dimethyl ester —— C22H29NO5
    Pyridine-3,5-dicarboxylic acid, 1,4-dihydro-4-(2-butoxyphenyl)-1,2,6-trimethyl-, dimethyl ester
    —— Paroxetine, N-(tert-butyldimethylsilyl)- —— C25H34FNO3Si
    Paroxetine, N-(tert-butyldimethylsilyl)-
    —— Phenylcarbamidic acid, 2-(2-methoxy-6-methyl-9H-carbazol-8-yl)ethyl ester —— C23H22N2O3
    Phenylcarbamidic acid, 2-(2-methoxy-6-methyl-9H-carbazol-8-yl)ethyl ester
    —— Pyrrol-2-ol, 4,5-dihydro-3,4-diphenyl- —— C16H15NO
    Pyrrol-2-ol, 4,5-dihydro-3,4-diphenyl-
    —— Pyrazolo[1,5-c][1,2,4]-triazine, 4-benzoyl-7-methyl- —— C13H10N4O
    Pyrazolo[1,5-c][1,2,4]-triazine, 4-benzoyl-7-methyl-
    —— Pyrazolo[1,5-a]pyrimidine, 2-tert-butyl-3-chloro-5,7-dimethyl- —— C12H16ClN3
    Pyrazolo[1,5-a]pyrimidine, 2-tert-butyl-3-chloro-5,7-dimethyl-
    —— Piperidine, 4,4-difluoro-1-[1-phenyl-1-cyclohexyl]- —— C17H23F2N
    Piperidine, 4,4-difluoro-1-[1-phenyl-1-cyclohexyl]-
    —— Pyrolinamide, N-[2,4-dinitrophenyl]- —— C11H12N4O5
    Pyrolinamide, N-[2,4-dinitrophenyl]-
    —— Propan-1-one, 1-(1,2,3,4-tetrahydro-2,2,4-trimethyl-3-phenylquinolin-1-yl)- —— C21H25NO
    Propan-1-one, 1-(1,2,3,4-tetrahydro-2,2,4-trimethyl-3-phenylquinolin-1-yl)-
    —— Pyridazine-3,5-dicarbonitrile, 1,6-dihydro-4-amino-6-imino-1-(2-nitrophenyl)- —— C12H7N7O2
    Pyridazine-3,5-dicarbonitrile, 1,6-dihydro-4-amino-6-imino-1-(2-nitrophenyl)-
    —— Pentane-1,5-diamide, N,N'-bis(2-nitrophenyl)- —— C17H16N4O6
    Pentane-1,5-diamide, N,N'-bis(2-nitrophenyl)-
    —— Propan-2-ol, 1-[4-(3-amino-4-nitrophenyl)piperazin-1-yl]-3-methoxy- —— C14H22N4O4
    Propan-2-ol, 1-[4-(3-amino-4-nitrophenyl)piperazin-1-yl]-3-methoxy-
    —— Phthalazin-1-amine, 4-methyl-N-(2-methylphenyl)- —— C16H15N3
    Phthalazin-1-amine, 4-methyl-N-(2-methylphenyl)-
    —— Phosphine, (chloro)(dichloromethyl)(diphenylamino) —— C13H11Cl3NP
    Phosphine, (chloro)(dichloromethyl)(diphenylamino)
    —— Propanamide, 3-amino-3-imino-2-(4-methoxyphenylazo)- —— C10H13N5O2
    Propanamide, 3-amino-3-imino-2-(4-methoxyphenylazo)-
    —— Pyrrolidine-2,5-dione, 3-(4-methoxyphenylamino)-1-methyl- —— C12H14N2O3
    Pyrrolidine-2,5-dione, 3-(4-methoxyphenylamino)-1-methyl-
    —— Pyrimidine, 5-butyl-4-methyl-6-methylsulfonyloxy-2-(1-pyrrolidinyl)- —— C14H23N3O3S
    Pyrimidine, 5-butyl-4-methyl-6-methylsulfonyloxy-2-(1-pyrrolidinyl)-
    —— Propanoic acid, 2,2-dimethyl-, [4-(4-nitrophenyl)-1,3-thiazol-2-yl]methyl ester —— C15H16N2O4S
    Propanoic acid, 2,2-dimethyl-, [4-(4-nitrophenyl)-1,3-thiazol-2-yl]methyl ester
    —— Phosphonamidous chloride, P,P'-methylenebis[N,N-diphenyl- 147493-31-0 C25H22Cl2N2P2
    Phosphonamidous chloride, P,P'-methylenebis[N,N-diphenyl-
    —— Pyrimidine-2-one, hexahydro-6,6-dimethyl-4,4'-spiro(6-chloro-7-hydroxy-2-phenylchromane)- —— C20H21ClN2O3
    Pyrimidine-2-one, hexahydro-6,6-dimethyl-4,4'-spiro(6-chloro-7-hydroxy-2-phenylchromane)-
    —— Pyridine-3-carboxamide, 2-(4-chlorophenoxy)-N-(2,5-dichlorophenyl)- —— C18H11Cl3N2O2
    Pyridine-3-carboxamide, 2-(4-chlorophenoxy)-N-(2,5-dichlorophenyl)-
    —— Pyrano[4,3-a]phenanthren-8-ol-3-one, 1,4,4a,4b,5,6,7,8,9,9a,9b,10,11,11a,-tetradecahydro-10a,12a-dimethyl-1-(3-furanyl)- —— C23H30O4
    Pyrano[4,3-a]phenanthren-8-ol-3-one, 1,4,4a,4b,5,6,7,8,9,9a,9b,10,11,11a,-tetradecahydro-10a,12a-dimethyl-1-(3-furanyl)-
    —— Phosphine oxide, bis[(2-hydroxypyridin-6-yl)methyl]-phenyl- —— C18H17N2O3P
    Phosphine oxide, bis[(2-hydroxypyridin-6-yl)methyl]-phenyl-
    —— Pyridine, 2,4-dibutyl-6-[(1-methylethyl)thio]- 74630-76-5 C16H27NS
    Pyridine, 2,4-dibutyl-6-[(1-methylethyl)thio]-
    —— Pyrrole-3-carboxylic acid, 5-(3-hydroxypropyl)-2-methyl-5-(1,2,4(4H)-triazol-3-yl)-, ethyl ester —— C13H18N4O3
    Pyrrole-3-carboxylic acid, 5-(3-hydroxypropyl)-2-methyl-5-(1,2,4(4H)-triazol-3-yl)-, ethyl ester
    —— Pyridine-3-carboxamide, 2-(4-chlorophenoxy)-N-(1-cyano-1,2-dimethylpropyl)- —— C18H18ClN3O2
    Pyridine-3-carboxamide, 2-(4-chlorophenoxy)-N-(1-cyano-1,2-dimethylpropyl)-
    —— Piperidin-4-ol, 1-tert-butyl-3-methyl-4-phenyl-, cis- —— C16H25NO
    Piperidin-4-ol, 1-tert-butyl-3-methyl-4-phenyl-, cis-
    —— Pyridine-3-carboxamide, 2-(4-chlorophenoxy)-N,N-diethyl- —— C16H17ClN2O2
    Pyridine-3-carboxamide, 2-(4-chlorophenoxy)-N,N-diethyl-
    —— Pyrazole, 1,3,5-trimethyl-4-(3,5-dimethyl-4-pyrazolylazo)- —— C11H16N6
    Pyrazole, 1,3,5-trimethyl-4-(3,5-dimethyl-4-pyrazolylazo)-
    —— Pyrrolidine-1-carboxylic acid, 2-(2-methylphenylaminocarbonyl)-, phenyl ester —— C19H20N2O3
    Pyrrolidine-1-carboxylic acid, 2-(2-methylphenylaminocarbonyl)-, phenyl ester
    —— platinum(2+);4,4,4-trifluoro-3-oxo-1-phenylbut-1-ene-1-thiolate —— C20H12F6O2PtS2
    platinum(2+);4,4,4-trifluoro-3-oxo-1-phenylbut-1-ene-1-thiolate
    —— Phosphoric acid, (4-aminophenyl) dipropyl ester —— C12H20NO4P
    Phosphoric acid, (4-aminophenyl) dipropyl ester
    —— Pyrimidine-2,4,6(1H,3H,5H)-trione, 5-(2-chlorophenylaminomethylidene)-1-[2-(4-fluorophenyl)ethy]- —— C19H15ClFN3O3
    Pyrimidine-2,4,6(1H,3H,5H)-trione, 5-(2-chlorophenylaminomethylidene)-1-[2-(4-fluorophenyl)ethy]-