2,3-Edsq 2,3-Epoxy-2,3-dihydrosqualene 2,3-Oxidosqualene 54274-53-2 71606-52-5 7200-26-2 Oxirane, 2,2-dimethyl-3-(3,7,12,16,20-pentamethyl-3,7,11,15,19-heneicosapentaenyl)-, (all-E)- (VAN) Squalene peroxide Squalene-2,3-epoxide Squalene-2,3-oxide