InChI=1/C19H18N2O3/c22-18-15-8-4-7-14-9-10-21(16(11-20-18)17(14)15)19(23)24-12-13-5-2-1-3-6-13/h1-8,16H,9-12H2,(H,20,22)/t16-/m0/s1/f/h20H	EC5D2B1C2833F3F6