InChI=1/C20H23N5O/c1-12-13(2)22-18-16(12)19(23-15-10-6-7-11-21-20(15)26)25-17(24-18)14-8-4-3-5-9-14/h3-5,8-9,15H,6-7,10-11H2,1-2H3,(H,21,26)(H2,22,23,24,25)/t15-/m1/s1/f/h21-23H 9538159FFBAD11B2