InChI=1/C16H20ClN3S/c1-10(2)7-8-19-9-12-5-4-6-13-14(12)20(16(21)18-13)15(17)11(19)3/h4-7,11,15H,8-9H2,1-3H3,(H,18,21)/p+1/t11-,15-/m0/s1/fC16H21ClN3S/h18-19H/q+1 B18B1C0510C9C6C2