InChI=1/C15H15N3O2S/c1-9-13(21-2)7-11(15(19)17-9)16-8-14-18-10-5-3-4-6-12(10)20-14/h3-7,16H,8H2,1-2H3,(H,17,19)/f/h17H 278AF95E6DE77761