[1,3]Dioxolo[4,5-j]phenanthridin-6(2H)-one,1,3,4,4a,5,11b-hexahydro-1,2,3,4,7-pentahydroxy-,(1R,2S,3S,4S,4aR,11bR)-rel-

N,N-Diethyl-4-hydroxy-6-(2,5-cyclohexadien-1-yl)-1,3-benzodioxole-5-carboxamide

<(+/-)-(4α,4aα,11bα)>-3,4,4a,11b-Tetrahydro-4-iodo-7-hydroxy-6H-<1,3>benzodioxolo<5,6-c><1>benzopyran-6-one

N,N-Diethyl-4-<(tert-butyldimethylsilyl)oxy>-6-(2,5-cyclohexadien-1-yl)-1,3-benzodioxole-5-carboxamide

<(+/-)-(4α,4aα,11bα)>-3,4,4a,11b-Tetrahydro-4-iodo-7-(phenylmethoxy)-6H-<1,3>benzodioxolo<5,6-c><1>benzopyran-6-one