3329-91-7 Dioscorine NSC107662 Spiro[2-azabicyclo[2.2.2]octane-5,2'-[2H]pyran]-6'(3'H)-one, 2,4'-dimethyl-, [1R-(1.alpha.,4.alpha.,5.alpha.)]- WLN: T66 A B AN DXTJ A1 D-& CT6VOX DHJ E1