InChI=1/C21H20N2O3S/c24-12-4-11-22-13-15-5-3-6-17-19(10-9-16(14-22)21(15)17)27-20-8-2-1-7-18(20)23(25)26/h1-3,5-10,24H,4,11-14H2/p+1/fC21H21N2O3S/h22H/q+1 D2C2596425A57B8F