1190-53-0 Adebit Andere Biforon Biguanide, 1-butyl-, hydrochloride Buformin Buformin hydrochloride Buformine HCl Butyl guanylguanidine Butylbiguanide hydrochloride DBV hydrochloride Diabrin NSC528218 Panformin SB 103 Silubin Sindiatil W37