InChI=1/C20H20N2O4S/c1-20(18(24)21-14-10-6-7-11-16(14)27-20)19(25)22-15(17(23)26-2)12-13-8-4-3-5-9-13/h3-11,15H,12H2,1-2H3,(H,21,24)(H,22,25)/t15-,20-/m1/s1/f/h21-22H	61EC21C3064C8101