(+)-Manoyl oxide 1H-Naphtho(2,1-b)pyran, 3-ethenyldodecahydro-3,4a,7,7,10a-pentamethyl-, (3R-(3alpha,4abeta,6aalpha,10abeta,10balpha))- 3-Ethenyldodecahydro-3,4a,7,7,10a-pentamethyl-1H-naphtho(2,1-b)pyran (3R-(3alpha,4abeta,6aalpha,10abeta,10balpha))- 596-84-9 Labd-14-ene, 8,13-epoxy-, (13R)-