InChI=1/C20H31N5O3/c1-13(2)21-18(26)15-6-5-11-25(12-15)20(28)24-17-9-7-16(8-10-17)23-19(27)22-14(3)4/h7-10,13-15H,5-6,11-12H2,1-4H3,(H,21,26)(H,24,28)(H2,22,23,27)/t15-/m0/s1/f/h21-24H 0195745C12DB1178