InChI=1/C13H20N2O3S/c1-4-11(5-2)15-13(16)9-6-10(14)8-12(7-9)19(3,17)18/h6-8,11H,4-5,14H2,1-3H3,(H,15,16)/f/h15H B624C4575EFDD2BD