3,12,15-trioxa-22,23-dithia-6,7,9,18,20,21-hexaazatricyclo[17.2.1.1~5,8~]tricosa-5,8,18,21-tetraene, 7,20-dimethyl- 7,20-dimethyl-3,12,15-trioxa-22,23-dithia-6,7,9,18,20,21-hexaazatricyclo[17.2.1.1~5,8~]tricosa-1(21),5,8,18-tetraene InChI=1/C14H22N6O3S2/c1-19-13-15-3-5-21-7-8-22-6-4-16-14-20(2)18-12(25-14)10-23-9-11(17-19)24-13/h3-10H2,1-2H3/b15-13-,16-14