InChI=1S/C21H25N3O2S/c1-6-18(25)24(16-9-11-17(27-5)12-10-16)19(15-8-7-13-22-14-15)20(26)23-21(2,3)4/h6-14,19H,1H2,2-5H3,(H,23,26)