InChI=1/C16H22N2O3/c1-10-5-4-6-16(9-10)17-12-8-14(21-3)13(20-2)7-11(12)15(19)18-16/h7-8,10,17H,4-6,9H2,1-3H3,(H,18,19)/t10-,16-/m1/s1/f/h18H 67279070A9C4DAE8