Oxadiazolo

[1,2,5]Oxadiazolo[3,4-b]pyrazine,4,5,6,7-tetrahydro-4,7-dinitroso-

[1,2,5]Oxadiazolo[3,4-b]pyridine, 7-methyl-, 3-oxide

5H-1,3,4-Oxadiazolo[3,2-a][1,3,5]triazine-5,7(6H)-dithione,2-(2,4-diethoxy-5-ethylphenyl)-