InChI=1/C19H21N5O3S/c1-28-11-10-16(19-22-13-6-2-3-7-14(13)23-19)21-18(25)12-20-15-8-4-5-9-17(15)24(26)27/h2-9,16,20H,10-12H2,1H3,(H,21,25)(H,22,23)/t16-/m0/s1/f/h21-22H 923BFCCCEC49A3F7