InChI=1/C18H26N8S/c1-2-7-23(6-1)15-20-16(24-8-3-4-9-24)22-17(21-15)25-10-12-26(13-11-25)18-19-5-14-27-18/h5,14H,1-4,6-13H2/p+1/fC18H27N8S/h20H/q+1 EFBB5F612EAAA915