Oxalacetic acid草乙酸
Oxyacanthine hydrochloride盐酸尖刺碱
Oxyacanthine sulfate硫酸尖刺碱
Palmitic acid棕榈酸
Palmitic acid methylester棕榈酸甲酯
Pangamic acid sodium salt潘氨酸钠盐
D-（ ）-Pantothenic acid sodium salt D-（ ）-泛酸钠盐
D-Pantothenyl alcohol D-泛酸
Papain木瓜蛋白酶
Parthenolide欧苷菊
Patulin展青霉素/绑曲霉素
Pelargonaldehyde壬醛
Pelargonidin chloride氯化天竺葵色素
Pelargonin chloride氯化天竺葵色素苷
Pentacosane二十五碳烷
n-Pentadecane正十五碳烷
Pentadecanoic acid十五烷酸
2′,4′,6′,3,4-Pentahydroxychalcone 2’,4’,6’,3,4-五羟查耳酮
3’,4’,5’,5,7-Pentamethoxyflavone 3’,4’,5’,5,7-五甲氧基黄酮
Peonidin chloride氯化芍药素
Peonidine-3-o-glucoside chloride
（-）-Perillylalcohol （-）-紫苏子醇
Perillaldehyde紫苏醛
（-）-Perillic acid （-）-
Peruvoside黄夹次甙甲
Petroselaidic acid
Petroselinic acid岩芹酸
R-（-）-α-Phellandrene R-（-）-α-水芹烯
Phenylacetic acid ethylester苯乙酸乙酯
DL-Phenylalanine DL-苯基并氨酸
L-Phenylephrine hydrochloride
1-Phenylethanol 1-苯乙醇
2-Phenylethanol 2-苯乙醇
Phenyl-β-D-galactopyranoside苯基-β-D-吡喃半乳糖苷
α-Phenylindol
N-Phenylmorpholine N-苯基吗啉
Phloretic acid根皮酸
Phloretin根皮素
Phloridzin根皮苷
Phloroglucinol间苯三酚
Phloroglucinol aldehyde间苯三酚醛
Phloroglucinol aldehyde trimethylether间苯三酚醛三乙醚
Phloroglucinol aldehyde trimethylether间苯三酚醛三甲醚
Phloroglucinol carboxylic acid间苯三酚羧酸
Phloroglucinol dimethylether间苯三酚二甲醚