InChI=1/C21H25N3O4S2/c1-15-10-12-23(13-11-15)30(27,28)21-16(2)22-24(17(21)3)29(25,26)20-9-8-18-6-4-5-7-19(18)14-20/h4-9,14-15H,10-13H2,1-3H3 1B8C2521AA65AA09