1,5-双-(甲基硫代)-戊烷

3,4-dimethyl-5-phenyl-1,3-oxazol-2-one

methyl 4-anilino-4-oxobutanoate

3-methyl-4,5-diphenyl-1,3-oxazol-2-one

2-氧代环辛烷-1-羧酸甲酯