<(+/-)-(3α,4α,4aα,11bα)>-3,4,4a,11b-Tetrahydro-4,7-bis(phenylmethoxy)-3-<(2,2,2-trichloroethanimidoyl)oxy>-6H-<1,3>benzodioxolo<5,6-c><1>benzopyran-6-one

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

<(+/-)-(1α,2α,4aα,11bα)>-1,2,4a,11b-Tetrahydro-1,2-dihydroxy-7-(phenylmethoxy)-6H-<1,3>benzodioxolo<5,6-c><1>benzopyran-6-one

<(+/-)-(1α,2α,4α,4aα,11bα)>-1,2,3,4,4a,11b-Hexahydro-1,2-dihydroxy-4-iodo-7-(phenylmethoxy)-6H-<1,3>benzodioxolo<5,6-c><1>benzopyran-6-one

<(+/-)-(1α,2β,3α,4α,4aα,11bα)>-1,2,3,4,4a,11b-Hexahydro-3-hydroxy-1-acetoxy-2-bromo-4,7-bis(phenylmethoxy)-6H-<1,3>benzodioxolo<5,6-c><1>benzopyran-6-one

N,N-Diethyl-4-<(tert-butyldimethylsilyl)oxy>-6-(1,3-butadienyl)-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

<(+/-)-(1α,2β,3α,4α,4aα,11bα)>-1,2,3,4,4a,11b-Hexahydro-1-acetoxy-2-bromo-3-<(4-methoxyphenyl)methoxy>-4,7-bis(phenylmethoxy)-6H-<1,3>benzodioxolo<5,6-c><1>benzopyran-6-one

<(+/-)-(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-(1-hydroxy-3-butenyl)-1,3-benzodioxole-5-carboxamide

<(+/-)-(1α,2β,3α,4α,4aα,11bα)>-1,2,3,4,4a,11b-Hexahydro-4-hydroxy-1-acetoxy-2-bromo-3-<(4-methoxyphenyl)methoxy>-7-(phenylmethoxy)-6H-<1,3>benzodioxolo<5,6-c><1>benzopyran-6-one

N,N-Diethyl-<(tert-butyldimethylsilyl)oxy>-6-formyl-1,3-benzodioxole-5-carboxamide

<(+/-)-(1α,2β,4aα,11bα)>-1,2,4a,11b-Tetrahydro-1-acetoxy-2-bromo-7-(phenylmethoxy)-6H-<1,3>benzodioxolo<5,6-c><1>benzopyran-6-one

2-ethoxy4-hydroxy-1,3-benzodioxol

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

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

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

<(+/-)-(1α,2β,3α,4α,4aα,11bα)>-1,2,3,4,4a,11b-Hexahydro-3,4-dihydroxy-1-acetoxy-2-bromo-7-(phenylmethoxy)-6H-<1,3>benzodioxolo<5,6-c><1>benzopyran-2-one