InChI=1/C16H19N5O4S/c1-9(2)19-26(24,25)11-7-5-10(6-8-11)13-17-12-14(18-13)20(3)16(23)21(4)15(12)22/h5-9,19H,1-4H3,(H,17,18)/f/h17H 9BB7075732FCBEAC