InChI=1/C19H20ClNO3/c1-2-8-21-9-7-14-15(10-17(23)19(24)18(14)20)16(11-21)12-3-5-13(22)6-4-12/h2-6,10,16,22-24H,1,7-9,11H2/p+1/t16-/m0/s1/fC19H21ClNO3/h21H/q+1 0A95F5E064B518FE