10. TERPENOIDS: STRUCTURE AND DISTRIBUTION
547
TABLE X11 (continued)
HO
HO
Gratiogenin
(CDLXXVn)
HO
HO
Gummosogenin
(CDLXXVI)
COOH
α-Boswellic acid
(CDLXXVIII)
COOH
Sumaresinolic acid
(CDLXXIX)
HO
Echinocystic acid
(CDLXXX)
HO
Cochalic acid
(CDLXXXI)
COOH
CH 2 OH
Bassic acid
(CDLXXXII)
Nimbiol
(CCCLXIX)