InChI=1/C20H21N3O3S/c1-13-5-10-16-17(11-13)27-20(23(16)12-18(24)26-4)21-19(25)14-6-8-15(9-7-14)22(2)3/h5-11H,12H2,1-4H3 7B2228A24D2C1187