InChI=1S/C31H32N4O4/c32-28-25(35-16-14-34(15-17-35)21-6-2-1-3-7-21)18-24(33-20-12-10-19(11-13-20)31(38)39)26-27(28)30(37)23-9-5-4-8-22(23)29(26)36/h4-5,8-13,18,21,33H,1-3,6-7,14-17,32H2,(H,38,39)