SEARCH Articles Figures Tables 1,2,3-Oxadiazol 1,2,4-Oxadiazole 1,3,4-Oxadiazole, 2,5-diphenyl-, synthesis 1.3.4- Oxadiazole, 2,5-diphenyl 1.3.4- Oxadiazole, 2,5-diphenyl-, nitration 3.4- Diphenyl-l,2,5-oxadiazoles