Structure8 of ditarpenoidalkaloid8continue to b unraveled at arapid pace1 bawd largely on the utility of 1%~nmr � pectroacopic correlationawithmedal capounda.2Recentlywareported the use of 2-D nmrmethods todeterminetha�tructuraofgum-fu baas 2$lJ, analkaloid of the hatiaino type, ...