520
W. SANDERMANN
TABLE V
(continued)
Thymohydro
quinone
(CLVIII)
O
HO
Thymoquinone
(CLIX)
Dihydroxy
thymoquinone
(CLX)
CH,0
CH 3 Q
OCH,
Heyderiol
(CLXI)
Libocedrol
(CLXII)
OCH 3
OCH,
3-Libocedroxythymoquinone
(CLXIII)