InChI=1/C23H28N4O2/c1-15-9-5-8-12-21(15)27-17(3)20(16(2)24-27)13-25(4)14-26-22(28)18-10-6-7-11-19(18)23(26)29/h5-9,12,18-19H,10-11,13-14H2,1-4H3/t18-,19-/m0/s1 D5958C2EB307CCF3