2-[3,4-bis(acetyloxy)phenyl]-7-hydroxy-3,4-dihydro-2H-chromene-3,5-diyl diacetate 2H-1-benzopyran-3,5,7-triol, 2-[3,4-bis(acetyloxy)phenyl]-3,4-dihydro-, 3,5-diacetate InChI=1/C23H22O10/c1-11(24)29-18-6-5-15(7-21(18)31-13(3)26)23-22(32-14(4)27)10-17-19(30-12(2)25)8-16(28)9-20(17)33-23/h5-9,22-23,28H,10H2,1-4H