18524-94-2 EINECS 242-398-0 Loganin Methyl (1S-(1alpha,4aalpha,6alpha,7alpha,7aalpha))-1-(beta-D-glucopyranosyloxy)-1,4a,5,6,7,7a-hexahydro-6-hydroxy-7-methylcyclopenta(c)pyran-4-carboxylate