5945-50-6 Cyclopenta[c]pyran-4-carboxylic acid, 1-(.beta.-D-glucopyranosyloxy)-1,4a,7,7a-tetrahydro-7-hydroxy-7-(hydroxymethyl)-, [1S-(1.alpha.,4a.alpha.,7.beta.,7a.alpha.)]- Monotropein Monotropeine NSC88926