1,3-二丙基脲

1,3-二苄基脲

2,4-diphenyl-5-phenylimino-1,2,4-thiadiazolidin-3-one

2-cyclohexyl-4-phenyl-5-phenylimino-1,2,4-thiadiazolidine-3-thione

3-N,5-N,4-triphenyl-1,2,4-dithiazolidine-3,5-diimine