1-(3,4,5-Trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-1,4a,5,6,7,7a-hexahydro-cyclopenta[c]pyran-7-carboxylic acid 8-epi-Grandifloric acid InChI=1/C15H22O9/c16-5-8-10(17)11(18)12(19)15(23-8)24-14-9-6(3-4-22-14)1-2-7(9)13(20)21/h3-4,6-12,14-19H,1-2,5H2,(H,20,21)/t6-,7-,8?,9+,10?,11?,12?,14+,15?/m1/s cyclopenta[c]pyran-7-carboxylic acid, 1-(hexopyranosyloxy)-1,4a,5,6,7,7a-hexahydro-, (1S,4aR,7R,7aS)- rel-(1R,4aS,7S,7aR)-1-(hexopyranosyloxy)-1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-7-carboxylic acid