InChI=1/C18H22N4O2S/c1-11-9-13(10-15-16(11)20-21-17(15)19)12-5-7-14(8-6-12)25(23,24)22-18(2,3)4/h5-10,22H,1-4H3,(H3,19,20,21)/f/h20H,19H2 91CF91716084B53C