InChI=1/C14H20N2O3S/c1-14(2,3)13(19)15-11-10(12(17)18)8-5-6-16(4)7-9(8)20-11/h5-7H2,1-4H3,(H,15,19)(H,17,18)/f/h15-16H 425333302F78E857