五氯化磷

1-hydroperoxy-1-methylcyclopentane

5,6-二羟基-5-甲基-1,3-二嗪农-2,4-二酮

2,2-bis-glycylamino-propionic acid

(+)(R)-1-hydroxy-2.6-dimethyl-octen-(2)-oic acid-(8)