30248-06-7 NIGAKILACTONE H NSC306398 Phenanthro[10,1-bc]pyran-5,11(1H,4H)-dione, 2,3,3a,6a.beta.,7,7a.alpha.,8,11a,11b.alpha.,11c-decahydro-1.alpha.,3.beta.,3a.beta.-trihydroxy-2.beta.,10-dimethoxy-3,8.alpha.,11a.beta.,11c.beta.-tetramethyl- Picras-2-ene-1,16-dione, 11,13,14-trihydroxy-2,12-dimethoxy-, (11.alpha.,12.beta.)-