InChI=1/C16H21N3O3/c1-10-5-7-19(8-6-10)15(20)11(2)17-12-3-4-14-13(9-12)18-16(21)22-14/h3-4,9-11,17H,5-8H2,1-2H3,(H,18,21)/t11-/m0/s1/f/h18H 88D3883368180C27