pyon.绿脓菌素类Pn.字母PP. E. for society社会体育pyridoxine dependency吡哆醇依赖Pyracantha densifloran.密花火棘p-ethylbenzaldehyde对乙基苯甲醛p-ethoxyacetanilide[医] 对乙氧基乙酰苯胺, 非那西汀pyradoxime methiodide解磷定Pygoplites diacanthusn.帝王神仙鱼(盖刺鱼科)Pyrazinecarboxylamide吡嗪酰胺[抗结核药]p-methylaminophenol[化] 对甲氨基苯酚pyrimidinyl hydrazine苯氧（硫）醚