Metformin impurity A, 2-cyanoguanidine, Metformin Related Compound A, Dicyandiamide, Guanidine, cyano-, Cyanoguanidine, Cyano-1 guanidine, Dicyandiamide, 1-Cyanoguanidine, Cyanguanidin, Dicyandiamid, 1-Cyanguanidin, Dicyandiamide, DICYANDIAMIDE T, dicyandiamide, accelerated, Casamid DMPF, Dicyandiamide, Dicyandiamine, Dicyandiamide, 99% w/w min., Dicyandiamide, amine polymer, Cyanoguanidine, Dicyandiamide hardener, min. 99,5%, Dicyandiamide , min. 99,5%, Dicyanex 1400 B, Dicyandiamide 99%, Dyhard 03, Jercure Dicy 7 A, Technicure NanoDicy, Amicure CG 1400, OMICURE DDA 5 EX CI 15KG Q1, Technicure® Nano-Dicy