30248-05-6 NIGAKIHEMIACETAL A NSC306399 Phenanthro[10,1-bc]pyran-11(1H)-one, 2,3,3a.beta.,4,5,6a.beta.,7,7a.alpha.,8,11a,11b.alpha.,11c-dodecahydro-1.alpha.,3.beta.,5-trihydroxy-2.beta.,10-dimethoxy-3,8.alpha.,11a.beta.,11c.beta.-tetramethyl- Picras-2-en-1-one, 11,13,16-trihydroxy-2,12-dimethoxy-, (11.alpha.,12.beta.)-