InChI=1/C16H21ClN2O3/c1-10(2)16(22)19-7-3-4-11(9-19)15(21)18-13-8-12(17)5-6-14(13)20/h5-6,8,10-11,20H,3-4,7,9H2,1-2H3,(H,18,21)/t11-/m1/s1/f/h18H 00358D36617033B1