[R-(R*,S*)]-5-(6,8-DIHYDRO-8-OXOFURO[3,4-E]-1,3-BENZODIOXOL-6-YL)-5,6,7,8-TETRAHYDRO-6,6-DIMETHYL-1,3-DIOXOLO[4,5-G]ISOQUINOLINIUM CHLORIDE [ 53552-05-9 ]