1-(benzhydrylideneamino)-3-phenylurea

1-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethylamino]-3-phenylurea

2,4-二氢-4-苯基-3H-1,2,4-噻唑-3-酮

5-甲基-4-苯基-2,4-二氢-3H-1,2,4-噻唑-3-酮

1-甲酰基-4-苯基氨基脲