InChI=1S/C13H14O10/c14-5-1-4(11(18)19)2-6(3-5)22-13-9(17)7(15)8(16)10(23-13)12(20)21/h1-3,7-10,13-17H,(H,18,19)(H,20,21)/t7-,8-,9+,10-,13+/m0/s1