5-(aminomethylidene)-1,3-dicyclohexyl-1,3-diazinane-2,4,6-trione

6,7-二羟基-4-甲氧基异黄酮

5-(aminomethylidene)-1,3-dimethyl-1,3-diazinane-2,4,6-trione

[4-(4-chlorophenyl)-4-hydroxypiperidin-1-yl]methylidenecyanamide

氢氰酸