InChI=1/C19H25N3O6/c1-20-16(23)11-4-6-14(7-5-11)21-19(26)22-15-9-12(17(24)27-2)8-13(10-15)18(25)28-3/h8-11,14H,4-7H2,1-3H3,(H,20,23)(H2,21,22,26)/f/h20-22H EE1CD7A92208F234