rel-2α*-(2-Hydroxypropyl)-6β*-[1,4,8-trihydroxy-6,14-dioxo-10-(β-D-glucopyranosyloxy)-21,25-dimethyl-36-[3-[3-methylene-4-[3-(3-butenyl)oxiranyl]butyl]oxiranyl]hexatriaconta-23,27,31-trienyl]tetrahydro-2H-pyran-3β*,4β*-diol 3-(sulfuric acid sodium) salt