3,16-Diisovaleryl-4-veratroylveracevin hemihydrate Cevane-3,4,12,14,16,17,20-heptol, 4,9-epoxy-, 3,16-bis(3-methylbutanoate) 4-(3,4-dimethoxybenzoate), hemihydrate FL4910720 Veracevine, 3,16-diisovalerate 4-veratrate hemihydrate