InChI=1/C16H22N4O2S/c1-15(2)8-10(9-16(3,4)20-15)17-13(21)14-18-12(19-22-14)11-6-5-7-23-11/h5-7,10,20H,8-9H2,1-4H3,(H,17,21)/p+1/fC16H23N4O2S/h17,20H/q+1 A995CB4BA0A83B19