InChI=1/C21H20N2O3S/c1-25-18-7-3-13(9-19(18)26-2)10-21-23-17(12-27-21)15-4-6-16-14(11-15)5-8-20(24)22-16/h3-4,6-7,9,11-12H,5,8,10H2,1-2H3,(H,22,24)/f/h22H 4BA2A71BAA06CB0A