4-27-00-03726 (Beilstein Handbook Reference) 476-27-7 9-Methyl-5,7,8-trimethoxyfuro(2,3-b)quinolin-4(9H)-one BRN 0306830 Furo(2,3-b)quinolin-4(9H)-one, 9-methyl-5,7,8-trimethoxy- Isoacronycidin Isoacronycidine