InChI=1/C20H21N5O3/c1-3-18(26)22-13-8-10-14(11-9-13)23-20(28)19(27)21-12-17-24-15-6-4-5-7-16(15)25(17)2/h4-11H,3,12H2,1-2H3,(H,21,27)(H,22,26)(H,23,28)/f/h21-23H 390FB85D8A470109