Canna~Fangled Abstracts Bioactive spirans and other constituents from the leaves of Cannabis sativa f. sativa. 2016 Nov 16:1-10. Guo TT1, Zhang JC2, Zhang H3, Liu QC1, Zhao Y3, Hou YF1, Bai L1, Zhang L1, Liu XQ2, Liu XY4, Zhang SY4, Bai…Freedom WaresNovember 16, 2016