InChI=1/C19H23N3O4/c1-4-10-21-16-15(18(24)22(11-5-2)19(21)25)20-14(17(16)23)12-6-8-13(26-3)9-7-12/h6-9,20,23H,4-5,10-11H2,1-3H3/p-1/fC19H22N3O4/h23h/q-1 49131A6E61B225B2