InChI=1/C16H21N3O4/c20-15(9-17-13-5-7-14(8-6-13)19(21)22)10-23-18-16(11-1-2-11)12-3-4-12/h5-8,11-12,15,17,20H,1-4,9-10H2/t15-/m0/s1 2E48BC3594FBCF18