(2S,5aS,2aR,5bR)-2-hydroxy-8-methoxy-4,4-dimethyl-6-(phenylmethoxy)-1-phenylthio-2,6,2a,5a,5b-pentahydro-10H-1,3-dioxolano[4,5-c]1,3-dioxoleno[4,5-j]phenanthridin-7-one

(3aS,3bR,12S,12aR)-6,12-dihydroxy-4-(4-methoxybenzyl)-2,2-dimethyl-3b,4,12,12a-tetrahydrobis([1,3]dioxolo)[4,5-c:4',5'-j]phenanthridin-5(3aH)-one

2,4-Cyclohexadien-1-carbonsaeure-methylester

bromo-5 hydroxy-4 benzodioxole-1,3

(+)-methyl (1β,2α,6β)-2-hydroxy-7-oxabicyclo[4,1,0]hept-3-ene-4-carboxylate