InChI=1/C22H20N2O4S/c1-14(2)24-20(22(25)18-6-4-5-7-21(18)29(24,26)27)13-16-9-8-15-12-17(28-3)10-11-19(15)23-16/h4-14H,1-3H3/b20-13+	C06538A5CD7AE007