InChI=1/C15H15N2O2S/c1-3-6-10-7-5-8-11(13(10)18)9-12-14(19)17(4-2)15(20)16-12/h3,5,7-9,18H,1,4,6H2,2H3/q-1 5A0CF020CEC80F45