(4aRS)-2t,3t-epoxy-1c-(Ξ)-tetrahydropyran-2-yloxy-(4ar,11bt)-1,3,4,4a,5,11b-hexahydro-2H-[1,3]dioxolo[4,5-j]phenanthridin-6-one

6-Brompiperonylsaeure-isopropylester