1H-Pentazole

1h-Perfluoroheptane

1H-Perimidin-2-amine, hydrochloride (1:1)

1H-Perimidine, 2, 3-dihydro-2, 2-dimethyl-6-((4-(phenylazo)-1-naphthalenyl)azo)-, mono- and diacetyl derivs.

1H-Perimidine, 2-ethyl-2, 3-dihydro-2-methyl-

1H-Perimidine-1-ethanol, alpha-methyl-, monohydrochloride

1H-Perimidine-1-ethanol, alpha-phenyl-, monohydrochloride

1H-Perylo(3, 4-cd)pyridine-1, 3(2H)-dione

1H-Perylo(3, 4-cd)pyridine-8, 9-dicarboxylic acid, 2, 3-dihydro-1, 3-dioxo-, potassium salt (1:2)

1H-Phenalen-1-one, 9-butoxy-

1H-Phenalen-1-one, 9-dimethylamino-

1H-Phenalen-1-one, 9-hydroxy-

1H-Phenalen-1-one, 9-methoxy-

1H-Phenalen-2-amine, 2, 3-dihydro-N-methyl-, hydrochloride

1H-Phenalen-9-amine, 1-imino-

1H-Phenalene, 2, 3-dihydro, 1, 3-methano-

1H-Phenalene, dodecahydro-

1H-Phenalene-1, 3(2H)-dione

1H-Phenanthro(3, 4-d)imidazol-10-ol, 1, 2-dimethyl-

1H-Phenanthro(9, 10-b)azirine, 1a, 9b-dihydro-1-((4-methylphenyl)sulfonyl)-