2,3-Dihydroxy-2-(5-hydroxy-11methyl-6-oxo-1,2,6,11-tetrahydro-3-oxa-11-aza-cyclopenta[a]anthracen-2-yl)-propoinic acid methyl ester InChI=1/C20H19NO7/c1-21-12-6-4-3-5-10(12)18(24)16-13(23)8-14-11(17(16)21)7-15(28-14)20(26,9-22)19(25)27-2/h3-6,8,15,22-23,26H,7,9H2,1-2H Methyl 2,3-dihydroxy-2-(5-hydroxy-11-methyl-6-oxo-1,2,6,11-tetrahydrofuro[2,3-c]acridin-2-yl) propanoate Rhodesiacridone furo[2,3-c]acridine-2-acetic acid, 1,2,6,11-tetrahydro-alpha,5-dihydroxy-alpha-(hydroxymethyl)-11-methyl-6-oxo-, methyl ester methyl 2,3-dihydroxy-2-(5-hydroxy-11-methyl-6-oxo-1,2,6,11-tetrahydrofuro[2,3-c]acridin-2-yl)propanoate