InChI=1/C19H22N4O/c1-2-11-20-19(24)23-16-10-6-3-7-13(16)12-17(23)18-21-14-8-4-5-9-15(14)22-18/h1,4-5,8-9,13,16-17H,3,6-7,10-12H2,(H,20,24)(H,21,22)/t13-,16+,17+/m0/s1/f/h20-21H 0B589273EC215AAE