. . . "Ptaquiloside" . . . . "(2R,3aR,7S,7aR)-7-Hydroxy-2,5,7-trimethyl-3a-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-spiro[3,7a-dihydro-2H-indene-6,1'-cyclopropane]-1-one" . . . . "Ptaquiloside" . . . . . . . . . "ptaquiloside" . . . . . . . . . . . .