52855-15-9 Butanedioic acid, mono(6a,7,8,10a-tetrahydro-6,6,9-trimethyl-3-pentyl-6H-dibenzo(b,d)pyran-1-yl) ester, (6aR-trans)- delta9-Tetrahydrocannabinol hemisuccinate delta9-Tetrahydrocannabinol hemisuccinate ester