2-ethoxycarbonyl-1,2,3,4-tetrahydro-6,7-methylenedioxy-isoquinaldonitrile

6-benzoyl-7,8-dihydro-6H-[1,3]dioxolo[4,5-g]isoquinolin-5-one

2-benzoyl-1,2,3,4-tetrahydro-6,7-methylenedioxy-isoquinaldonitrile

2,3-dimethoxy-6-(5-oxo-7,8-dihydro-5H-[1,3]dioxolo[4,5-g]isoquinoline-6-carbonyl)-benzoic acid ethyl ester

6,7-dihydro-indeno[5,6-d][1,3]dioxol-5-one oxime