10. TERPENOIDS: STRUCTURE AND DISTRIBUTION
541
TABLE XII (continued)
HOOC^ ^
HOOC.
Eburicoic acid
(CDXXVI)
Dehydroeburicoic acid
(CDXXVH)
HO
COOH
Polyporenic acid A
(CDXXVIII)
Cycloartenol
(CDXXIX)
HO
ß-Cycloorystenol
(CDXXX)
Cyclolaudenol
(CDXXXI)
HO
Euphol
(CDXXXII)
HO
Butyrospermol
(CDXXXIH)