InChI=1/C20H21N3O5S/c24-19(20(10-11-20)16-6-2-1-3-7-16)21-12-14-22(15-13-21)29(27,28)18-9-5-4-8-17(18)23(25)26/h1-9H,10-15H2 CFF1F1971DAFB53C