1H-Xantheno(2,1,9-def)isoquinoline-1,3(2H)-dione, 2-(2-hydroxypropyl)-9-methoxy- 2-(2-Hydroxypropyl)-9-methoxy-1H-xantheno(2,1,9-def)isoquinoline-1,3(2H)-dione 78108-20-0 EINECS 278-838-3