FURO(3,46,7)NAPHTHO[2,3-D]-1,3-DIOXOL-6(5AH)-ONE,9-(SS-D-GLUCOPYRANOSYLOXY)-5,8,8A,9-TETRAHYDRO-5-(3,4,5-TRIMETHOXYPHENYL)-,(5R-(5A,5ASS,8AA,9SS))-