InChI=1/C19H21N5O3S/c20-28(25,26)17-6-4-15(5-7-17)21-19-13-18(22-23-19)14-2-1-3-16(12-14)24-8-10-27-11-9-24/h1-7,12-13H,8-11H2,(H2,20,25,26)(H2,21,22,23)/f/h21-22H,20H2 5804954F3CD97800