InChI=1/C18H23ClN2O3/c1-12-10-20(11-18(2,3)24-12)16(22)15-8-9-21(17(15)23)14-6-4-13(19)5-7-14/h4-7,12,15H,8-11H2,1-3H3/t12-,15+/m0/s1 8569748C28460D17