All
 D02 Organic Chemicals D009930 +
 D02.078 Amidines D000578 +
 D02.078.370 Guanidines D006146 +
 D02.078.370.141 Biguanides D001645 +
 D02.078.370.141.075 Buformin D002026 
 D02.078.370.141.100 Chlorhexidine D002710 
 D02.078.370.141.125 Chloroguanide D002727 
 D02.078.370.141.450 Metformin D008687 
 D02.078.370.141.700 Phenformin D010629