Synonyms: Metformin Hydrochloride Imp. A (EP), Metformin Imp. A (EP), Metformin USP Related Compound A, Metformin USP RC A, Cyanoguanidine, Dicyanodiamide, Dicyandiamide, Dicyanodiamide, SKF-9907, Ph Eur Metformin Impurity A, USP Metformin Related Compound A, Metformin Related Compound A, Metformin Hydrochloride Impurity A, Metformin Impurity A
