其它别名Metformin Impurity E Hcl Salt; Metformin Related Compoun; Metformin Ep Impurity E Hcl; Imp. E (Ep) As Hydrochloride:1-Methylbiguanidehydrochloride; Metformin Related Compound B; 1-Methylbiguanide Hyrdochloride (Metformin Rcb); 1-Methylbiguanide Monohydrochloride; Metformin Related Compound B (25 Mg) (1-Methylbiguanide Hydrochloride)