InChI=1S/C22H26N8/c1-14-10-21(29-28-14)26-20-13-19-18(4-2-8-24-19)22(27-20)25-15-11-16-5-6-17(12-15)30(16)9-3-7-23/h2,4,8,10,13,15-17H,3,5-6,9,11-12H2,1H3,(H3,25,26,27,28,29)/t15-,16-,17+