InChI=1/C16H20N2O3S/c1-11-18-15(12-5-3-2-4-6-12)16(21-11)13-7-9-14(10-8-13)22(17,19)20/h7-10,12H,2-6H2,1H3,(H2,17,19,20)/f/h17H2 7DA4A254EF65507F