InChI=1/C20H21N5O2S/c1-13-8-6-7-11-16(13)23-20(27)25-24-19(26)21-12-17-14(2)22-18(28-17)15-9-4-3-5-10-15/h3-11H,12H2,1-2H3,(H2,21,24,26)(H2,23,25,27)/f/h21,23-25H 9E4E284FE24BBA81