InChI=1/C21H24N4O2S/c1-14-7-3-4-8-16(14)18(25-21(23)27)13-20(26)24-17-9-5-6-10-19(17)28-15(2)11-12-22/h3-10,15,18H,11,13H2,1-2H3,(H,24,26)(H3,23,25,27)/t15-,18+/m0/s1/f/h24-25H,23H2 6B18D0220305D2DD