正丙基硫脲, N-(n-Propyl)thiourea

PTFE sheet

荧光黄, Pyranine

2,5-吡嗪二羧酸, Pyrazine-2,5-dicarboxylic acid

1H-吡唑-3-羧酸, 1H-Pyrazole-3-carboxylic acid

6-(1H-吡唑-1-基)烟酸, 6-(1H-Pyrazol-1-yl)nicotinic acid

哒嗪-3-羧酸, Pyridazine-3-carboxylic acid

4-吡啶乙酸.盐酸盐, 4-Pyridineacetic Acid Hydrochloride

吡啶-4-硼酸频哪醇酯, Pyridine-4-boronic acid pinacol ester

吡啶-2-碳氨肟, Pyridine-2-carboxamidoxime