(3H)29-Mos 145919-42-2 29-Methylidene-2,3-oxidosqualene 29-Mos Oxirane, 3-(16-ethenyl-3,7,12,20-tetramethyl-3,7,11,15,19-heneicosapentaenyl)-2,2-dimethyl-, (S-(all-E))-