InChI=1S/C28H28N4O10/c1-42-24-22(36)20-15(21(35)23(24)37)8-19(26(38)31-18(28(40)41)6-12(10-33)11-34)32-25(20)30-17(27(32)39)7-13-9-29-16-5-3-2-4-14(13)16/h2-5,7,9,12,18-19,33-37,39H,6,8,10-11H2,1H3,(H,31,38)(H,40,41)/t18-,19?/m0/s1