Fenfoduron, [3H]-Phenformin, Fenformina, Normoglucina, phenethylbiguanide, phenylethyl biguanide, 1-phenethylbiguanide, Cronoformin, Fenformin, Phenformin, Phenforminum, [14C]-Phenformin, Phenformine, 1-(diaminomethylidene)-2-(2-phenylethyl)guanidine, Feguanide