(R-(R*,R*))-(1,3-benzodioxol-5-yl)(5,6,7,8-tetrahydro-1,3-dioxolo(4,5-g)isoquinolin-5-yl)methyl 2,2-dimethylpropanoic acid ester

(R-(R*,S*))-α-1,3-benzodioxol-5-yl-5,6,7,8-tetrahydro-6-(2,2-dimethyl-1-oxopropyl)-1,3-dioxolo(4,5-g)isoquinoline-5-methanol

[R-(R*,R*)]-α-1,3-benzodioxol-5-yl-5,6,7,8-tetrahydro-1,3-dioxolo[4,5-g]isoquinoline-5-methanol

(1S)-cis-1,5,6,10b-tetrahydro-1-(1,3-benzodioxol-5-yl)-3H-oxazolo(4,3-a)1,3-dioxolo(4,5-g)isoquinolin-3-one

[R-(R*,R*)]-α-1,3-benzodioxol-5-yl-5,6,7,8-tetrahydro-6-methyl-1,3-dioxolo[4,5-g]isoquinoline-5-methanol