InChI=1S/C21H21N3O5S/c22-20(23)15-9-8-14-4-2-7-19(18(14)13-15)24-21(26)16-5-1-6-17(12-16)30(27,28)29-11-3-10-25/h1-2,4-9,12-13,25H,3,10-11H2,(H3,22,23)(H,24,26)