InChI=1/C16H21N3O4/c1-10-3-4-12(15(21)23-2)9-13(10)18-16(22)19-7-5-11(6-8-19)14(17)20/h3-4,9,11H,5-8H2,1-2H3,(H2,17,20)(H,18,22)/f/h18H,17H2 199616CCB5F2DA59