1-Butylbiguanide 1-Butyldiguanide 4-04-00-00582 (Beilstein Handbook Reference) 692-13-7 BIGUANIDE, 1-BUTYL- BRN 0607037 Buformin Buformin [USAN:INN] Buformina [INN-Spanish] Buformine Buformine [INN-French] Buforminum [INN-Latin] Butformin Butylbiguanide Butylbiguanidum Butyldiguanide DBV EINECS 211-726-4 Glybigid Glybigidum H 224 Imidodicarbonimidic diamide, N-butyl- N-Butylbiguanide W 37