InChI=1/C24H26N4O3/c1-18-5-7-19(8-6-18)16-27(20-9-11-21(12-10-20)28(30)31)22-15-23(25(2)17-22)24(29)26-13-3-4-14-26/h5-12,15,17H,3-4,13-14,16H2,1-2H3 2B81D160D34CF872