InChI=1/C19H17Cl2NO3/c1-18(12-19(18,20)21)17(24)25-11-16(23)22-15-10-6-5-9-14(15)13-7-3-2-4-8-13/h2-10H,11-12H2,1H3,(H,22,23)/t18-/m0/s1/f/h22H 0AAEA26A6526F9F7