“…Additionally, skeletally rearranged (i.e., secu’amamine, 5 ),2 A-ring methoxylated (i.e., phyllanthine, 4 )3, oxidized (i.e., phyllantidine, 6 and nirurine, 7 ),4 and dimeric (i.e., flueggenines, 8 and 9) 5 congeners have been reported. The enantiomers of some Securinega alkaloids, virosecurinine ( 3 ),6 viroallosecurinine,7 and (−)-norsecurinine,8 have also been isolated from natural sources.…”