55955-07-2 AUSTROBAILIGNAN-1 (B809654K048) B809654K048 Furo[3',4':6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one, 5,8,8a,9-tetrahydro-5-(7-methoxy-1,3-benzodioxol-5-yl)-, [5R-(5.alpha.,5a.beta.,8a.alpha.)]- NSC294826