InChI=1/C20H27N3O4/c1-26-14-12-23(11-5-9-17-7-3-2-4-8-17)16-19(24)22-20(25)21-15-18-10-6-13-27-18/h2-4,6-8,10,13H,5,9,11-12,14-16H2,1H3,(H2,21,22,24,25)/p+1/fC20H28N3O4/h21-23H/q+1 B5A8EA1EE1EA7246