InChI=1/C18H18N2O3S/c1-3-18(4-2)15-11-13(8-9-16(15)19-17(24)23-18)12-6-5-7-14(10-12)20(21)22/h5-11H,3-4H2,1-2H3,(H,19,24)/f/h19H 9900B2E04667CB9E