InChI=1/C19H19ClN2O2/c1-12(23)21-15-6-4-10-22-16-11-13(20)8-9-18(16)24-17-7-3-2-5-14(17)19(15)22/h2-3,5,7-9,11,15,19H,4,6,10H2,1H3,(H,21,23)/t15-,19+/m0/s1/f/h21H 365BD70E6D7FF338