1362-42-1 2H-7,13b-Ethenopentaleno[1'',2'':6,7 5'',4'':6',7']dicyclohepta[1,2-b:1',2'-b']difuran-2,12(11H)-dione, 3,3a,4,5,6,6a,6b,7,7a,8,9,10,10a,13a,13c,14b-hexadecahydro-6,8-dihydroxy-3,6,8,11,14,15-hexamethyl-,[3S-(3.alpha.,3a.alpha.,6.beta.,6a.alpha.,6b.beta.,7.alpha.,7a.beta.,8.alpha.,10a.beta.,11.beta.,13a.alpha.,13b.alpha.,13c.beta.,14b.beta.)]- ABSINTHIN NSC407315