4-(2-methyl-1,3-dioxolan-2-yl)cyclohepta[d]imidazol-2-amine

ethyl 2-(2-methyl-1,3-dioxolan-2-yl)benzoate

乙酸胍

氨基甲酰基胍

5-甲氧基-2,4-二氨基喹唑啉