InChI=1/C15H17N3O2S/c1-3-15(4-2)8-21-14(18-15)16-9-5-6-10-11(7-9)13(20)17-12(10)19/h5-7H,3-4,8H2,1-2H3,(H,16,18)(H,17,19,20)/f/h17-18H 8DD17D62C3791A6A