InChI=1S/C20H21N5O3S/c21-16(20(27)28)11-29-9-8-18(26)24-14-6-7-17-15(10-14)19(23-12-22-17)25-13-4-2-1-3-5-13/h1-7,10,12,16H,8-9,11,21H2,(H,24,26)(H,27,28)(H,22,23,25)/t16-/m0/s1