1,3,5-triethyl-1,3,5-triazinane-2,4,6-trione

3-(3-methylphenyl)imidazolidine-2,4-dione

1-苄基-1,3-二嗪农-2,4-二酮

1-benzyl-1-(2-cyanoethyl)urea

1-二苯甲基脲