InChI=1/C18H21ClN2O3/c1-11-13(10-21(20-11)18(2,3)4)15(22)7-6-12-8-14(19)17(23)16(9-12)24-5/h6-10,23H,1-5H3/b7-6+ BDED4BEAEC60B6C0