InChI=1/C15H16N4O3S/c1-15-5-4-12(20)19(15)11(7-23-15)13(21)16-8-2-3-9-10(6-8)18-14(22)17-9/h2-3,6,11H,4-5,7H2,1H3,(H,16,21)(H2,17,18,22)/t11-,15+/m1/s1/f/h16-18H 2CFC8D454C537292