98819-09-1 Furo(3',4':6,7)naphtho(2,3-d)-1,3-dioxol-6(5aH)-one, 5-(1,3-benzodioxol-5-yl)-5,8,8a.9-tetrahydro-, (5R-(5alpha,5aalpha,8aalpha))- Picropolygamain