C25H32O13；1536.8；Iridoids；2-(3,4-DIHYDROXYPHENYL)ETHYL (2S-(2ALPHA,3E,4BETA))-3-ETHYLIDENE-2-(BETA-D-GLUCOPYRANOSYLOXY)-3,4-DIHYDRO-5-METHOXYCARBONYL)-2H-PYRAN-4-ACETATE; EINECS 251-129-6；White powder