InChI=1/C14H23N3O4/c18-12(19)10-11-13(20)15-6-9-17(11)14(21)16-7-4-2-1-3-5-8-16/h11H,1-10H2,(H,15,20)(H,18,19)/p-1/t11-/m1/s1/fC14H22N3O4/h15H/q-1 17EBB1C257C8377E