InChI=1/C20H24N4O3S/c1-17-5-7-18(8-6-17)9-15-28(26,27)22-16-20(25)24-13-11-23(12-14-24)19-4-2-3-10-21-19/h2-10,15,22H,11-14,16H2,1H3/b15-9+ D500F4CC50C14BA9