3-(1'-Hydroxy-3'-methylbutyl)-11-hydroxy-4-methoxy-9-methyl-5H,7H-dibenzo(c,f)(1,5)-dioxocin-5-one 55303-92-9 5H,7H-Dibenzo(b,g)(1,5)dioxocin-5-one, 11-hydroxy-3-(1-hydroxy-3-methylbutyl)-4-methoxy-9-methyl-, (S)- Vermixocin A