InChI=1/C24H26N4O3/c29-23(26-19-6-3-4-18(19)24(30)27-31)17-10-8-15(9-11-17)14-28-21-7-2-1-5-20(21)25-22(28)16-12-13-16/h1-2,5,7-11,16,18-19,31H,3-4,6,12-14H2,(H,26,29)(H,27,30)/t18-,19+/m0/s1/f/h26-27H 303D45675F6D22B4