吡啶-2,6-二羧酸, Pyridine-2,6-dicarboxylic acid

2-吡啶磺酰乙腈, 2-Pyridinesulfonylacetonitrile

反-3(3-吡啶基)烯丙酸, trans-3-(3-Pyridyl)acrylic acid

2-(2-吡啶基)苯并咪唑, 2-(2-Pyridyl)benzimidazole

2-(3-吡啶基)丙酸, 3-(2-Pyridyl)propionic acid

嘧啶-5-硼酸半水化合物, Pyrimidine-5-boronic acid hemihydrate

焦棓酸, Pyrogallol

1-吡咯烷羰基二硫酸铵盐, 1-Pyrrolidinecarbodithioic Acid Ammonium Salt

4-(1-吡咯烷基)吡啶, 4-(1-Pyrrolidinyl)pyridine

栎精二水合物, Quercetin dihydrate