InChI=1/C15H15N3O3S/c19-14(10-6-4-5-8-12(10)18(20)21)17-15-16-11-7-2-1-3-9-13(11)22-15/h4-6,8H,1-3,7,9H2,(H,16,17,19)/f/h17H 3B12ED9CD231F614