InChI=1/C19H21N5O2S/c1-13-7-3-4-8-14(13)21-19(26)23-22-18(25)11-24-16-10-6-5-9-15(16)20-17(24)12-27-2/h3-10H,11-12H2,1-2H3,(H,22,25)(H2,21,23,26)/f/h21-23H 53C1ABE2122E3211