renierone

(Z)-2-Methyl-2-butenoic acid 5,8-dioxo-6-methyl-7-methoxyisoquinolin-1-ylmethyl ester

(Z)-2-Methyl-2-butenoic acid [(5,8-dihydro-7-methoxy-6-methyl-5,8-dioxoisoquinolin-1-yl)methyl] ester