3,16-Bis(alpha-methylbutyryl)veracevin 4,9-Epoxycevane-3-beta,4-beta,12,14,16-beta,17,20-heptol 3,16-bis(2-methylbutyrate) Cevane-3-beta,4-beta,12,14,16-beta,17,20-heptol, 4,9-epoxy-, 3,16-bis(2-methylbutyrate) FL4911000