InChI=1/C19H19ClN2O3/c1-10-4-5-11(20)6-14(10)21-17(24)13-7-12-15(22-18(13)25)8-19(2,3)9-16(12)23/h4-7H,8-9H2,1-3H3,(H,21,24)(H,22,25)/f/h21-22H 642021C8363394BB