1H-Xantheno(2,1,9-def)isoquinoline-1,3(2H)-dione, 2-(2-hydroxypropyl)-5-methoxy- 2-(2-Hydroxypropyl)-5-methoxy-1H-xantheno(2,1,9-def)isoquinoline-1,3(2H)-dione 35254-10-5 EINECS 252-466-1