3-苯基-2-氧代己内酰脲

双苯基脲

2-(1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctylsulfonylamino)acetic acid

2-[[4-(carboxymethylamino)-6-chloro-1,3,5-triazin-2-yl]amino]acetic acid

5-(pyridin-2-ylmethylidene)-2-sulfanylideneimidazolidin-4-one