InChI=1/C16H22N4O3/c1-4-5-10-23-12(3)15(21)18-19-16(22)14-11(2)17-13-8-6-7-9-20(13)14/h6-9,12H,4-5,10H2,1-3H3,(H,18,21)(H,19,22)/t12-/m0/s1/f/h18-19H AB5DAB3C9406FF79