苯基氨基甲酸

1-benzyl-1-methyl-3-phenylurea

N-苯甲酰基-2-甲基丙氨酸

6,6-dimethyl-3-phenyl-5,7-dihydrocyclopenta[e][1,3]oxazine-2,4-dione

5,5-diethyl-3-phenyl-1,4,2-dioxazole