InChI=1/C19H26N4O4S/c1-15-7-4-5-8-16(15)14-20-18-10-9-17(13-19(18)23(24)25)28(26,27)21-11-6-12-22(2)3/h4-5,7-10,13,20-21H,6,11-12,14H2,1-3H3/p+1/fC19H27N4O4S/h22H/q+1 8EBCAAA063165379