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

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

N,N-Diethyl-4-<(tert-butyldimethylsilyl)oxy>-6-(1-hydroxy-3-butenyl)-1,3-benzodioxole-5-carboxamide