2-Oxomanoyl oxide

(+)-2-Ketomanoyl oxide

[13R,(+)]-8,13-Epoxylabd-14-en-2-one

[13R,(+)]-8,13-Epoxylabda-14-ene-2-one

(3R,6aα,10bα)-Dodecahydro-3,4aβ,7,7,10aβ-pentamethyl-3α-vinyl-9H-naphtho[2,1-b]pyran-9-one