InChI=1/C20H25N3O4S/c1-20(2,3)16-4-10-19(11-5-16)28(26,27)22-14-12-21(13-15-22)17-6-8-18(9-7-17)23(24)25/h4-11H,12-15H2,1-3H3 09181090F867C35F