5.5.1.B7 741179 Biosynthesis of the psychotropic plant diterpene salvinorin A: Discovery and characterization of the Salvia divinorum clerodienyl diphosphate synthase Plant J. 89 885-897 2017 Salvia divinorum http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=27865008&form=6&db=m