InChI=1/C19H23ClN2O4/c1-13(21-11-18(23)15-3-2-4-16(20)10-15)9-14-5-7-17(8-6-14)26-12-19(24)22-25/h2-8,10,13,18,21,23,25H,9,11-12H2,1H3,(H,22,24)/p+1/t13-,18+/m1/s1/fC19H24ClN2O4/h21-22H/q+1 81F33D1947B23B06