InChI=1/C20H19ClN2O3/c1-2-26-18-8-4-7-15-13-5-3-6-14(13)19(22-20(15)18)12-9-10-16(21)17(11-12)23(24)25/h3-5,7-11,13-14,19,22H,2,6H2,1H3/t13-,14-,19+/m0/s1 65611C8B6334D3CA