InChI=1/C19H23N3O5/c1-3-11-4-5-14(13(10-11)16(24)27-2)20-15(23)12-6-8-19(9-7-12)17(25)21-18(26)22-19/h4-5,10,12H,3,6-9H2,1-2H3,(H,20,23)(H2,21,22,25,26)/f/h20-22H EC913607BFB21C18