InChI=1S/C17H19NO12/c19-8-9(20)12(16(27)28)30-17(10(8)21)29-11(15(25)26)7(14(23)24)18-13(22)6-4-2-1-3-5-6/h1-5,7-12,17,19-21H,(H,18,22)(H,23,24)(H,25,26)(H,27,28)