InChI=1/C15H18N4O3S/c1-12-5-7-14(8-6-12)23(21,22)19-18-15(20)17-11-9-13-4-2-3-10-16-13/h2-8,10,19H,9,11H2,1H3,(H2,17,18,20)/f/h17-18H 6B66FEDA52862865