InChI=1/C19H20N2O4S/c1-12-7-13(2)9-16(8-12)20-18(22)15-5-4-6-17(10-15)21-19(23)14(3)11-26(21,24)25/h4-10,14H,11H2,1-3H3,(H,20,22)/t14-/m0/s1/f/h20H	4B70645C39906885