5,8-Dihydroxy-2,11-dimethoxy-1,12-(2-hydroxypropyl) -6,7-methylenedioxyperylene-3,10-quinone 67533-78-2 Neocercosporin Perylo(1,12-def)-1,3-dioxepin-6,11-dione, 4,13-dihydroxy-8,9-bis(2-hydroxypropyl)-7,10-dimethoxy-