InChI=1/C19H26N4O3/c24-16-7-3-2-6-15(16)22-12-10-21(11-13-22)14-23-17(25)19(20-18(23)26)8-4-1-5-9-19/h2-3,6-7,24H,1,4-5,8-14H2,(H,20,26)/f/h20H 4A515F9CC458679A