InChI=1/C20H25N3O4/c1-23-10-2-5-15-13-16(7-8-18(15)23)22-20(25)19(24)21-9-4-11-26-14-17-6-3-12-27-17/h3,6-8,12-13H,2,4-5,9-11,14H2,1H3,(H,21,24)(H,22,25)/f/h21-22H 35FEB67D1C92E7B4