InChI=1/C15H22N2O3S/c1-4-8(2)12(16)13(18)17-14-11(15(19)20-3)9-6-5-7-10(9)21-14/h8,12H,4-7,16H2,1-3H3,(H,17,18)/p+1/t8-,12-/m0/s1/fC15H23N2O3S/h16-17H/q+1 FDF74B9DD39FD796