(4o8) =p a ■/ » a 



t^iS® (Copaivic acid Q„ H,, O, ) >« UAMW^ ' ^M, -= -V ? J^SS 



SiSISWfiJI'4' 3 ' 1^ ->'i: * Oxycopaivic acid (^Q, H,8 O, ) ^ ft ^ J/ — 

 S^ffi ^*n - r ^S v/g® 9- Ji% r gfc Jg-fe i/ > ± ^# r Metacopaivic acid 



( Q, H,, O. ) f fe « -fe !) (ElT?5c'3l) 



+,i- 



S^ 



^ 



m ^ ± mm ^± m 



