InChI=1/C14H23N3O3S/c1-4-6-10-9-12(18)17-14(16-10)21-8-7-11(15-3)13(19)20-5-2/h9,11,15H,4-8H2,1-3H3,(H,16,17,18)/t11-/m0/s1/f/h17H 7B0D7BA14B3DE790