*  1-(2,4-Xylyl)biguanide | C10H15N5 - PubChem
... biguanide , C10H15N5 , CID 20879 - structure, chemical names, physical and chemical properties, classification, patents, ...
https://pubchem.ncbi.nlm.nih.gov/compound/20879
*  1-(2,6-diethyl-phenyl)-biguanide | C12H19N5 - PubChem
... biguanide , C12H19N5 , CID 548295 - structure, chemical names, physical and chemical properties, classification, patents, ...
https://pubchem.ncbi.nlm.nih.gov/compound/548295