InChI=1/C20H21N5O3S/c26-25(27)17-6-4-16(5-7-17)24-20(23-9-11-28-12-10-23)15(3-8-19(20)21-22-24)14-18-2-1-13-29-18/h1-2,4-7,13-14,19H,3,8-12H2/b15-14+/t19-,20+/m1/s1 B9EEC504591B1D9F