InChI=1/C16H19N3O3S/c1-18(2)9-11-3-4-13-14(7-11)15(8-17)19(16(13)20)12-5-6-23(21,22)10-12/h3-4,7,12,15H,5-6,9-10H2,1-2H3/p+1/t12-,15-/m1/s1/fC16H20N3O3S/h18H/q+1 2636772BD82EB423