7H-吡咯并[2,3-d]嘧啶-2,4-二胺

2H-triazolo[4,5-d]pyrimidine-5,7-diamine

5-苯基偶氮嘧啶-2,4,6-三胺

7,8,9,10-tetrahydropyrimido[4,5-c]isoquinoline-1,3-diamine

4-[(2,4,6-triaminopyrimidin-5-yl)diazenyl]benzenesulfonic acid