InChI=1/C20H21N5O3/c1-15-12-28-19(16-5-3-2-4-6-16)11-23(15)14-24-13-21-20(22-24)17-7-9-18(10-8-17)25(26)27/h2-10,13,15,19H,11-12,14H2,1H3/t15-,19-/m0/s1 B796E8BBA937C891