InChI=1/C19H22N4O4S/c1-13-4-7-16(8-5-13)28(25,26)23-10-2-3-15(12-23)19-21-18(22-27-19)14-6-9-17(24)20-11-14/h4-8,11,15,19H,2-3,9-10,12H2,1H3,(H,21,22)/p+1/t15-,19+/m0/s1/fC19H23N4O4S/h21-22H/q+1 F2513EC1F20567C1