DL-beta-脯氨醇, DL-beta-Prolinol

1,2-丙二醇单甲醚醋酸酯, 1,2-Propanediol monomethyl ether acetate

炔丙胺盐酸盐, Propargylamine Hydrochloride

丙炔酰胺, Propiolamide

4-正丙氧基苯酚, 4-n-Propoxyphenol

1-正-丙基环己醇, 1-n-Propylcyclohexanol

2-正丙基-1-庚醇, 2-n-Propyl-1-heptanol

丙酸正丙酯, n-Propyl propionate

正丙基脲, n-Propylurea

荧光黄, Pyranine

1H-吡唑, 1H-Pyrazole

1H-吡喃并-3,4-b]吡啶, 1H-Pyrazolo[3,4-b]pyridine

哒嗪, Pyridazine

吡啶-2-乙腈, 2-Pyridineacetonitrile

吡啶-4-甲醛, Pyridine-4-carboxaldehyde