120004-97-9 Furo[3',4':6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one, 9-(2-aminoethoxy)-5,8,8a,9-tetrahydro-5-(4-hydroxy- 3,5-dimethoxyphenyl)-, [5R-(5.alpha.,5a.beta.,8a.alpha.,9.beta.)]- NSC644946