N-amino-N'-[amino(indol-3-ylidene)methyl]methanimidamide

7-fluoroquinazoline-2,4-diamine

4-(1-异丙基-1H-吡咯并[2,3-c]吡啶-3-基)嘧啶-2-胺

双胍

1,2,4-苯并噻嗪-3-胺