2-Chloro-3-ethylbenzoxazolium tetrafluoroborate

5-methyl-2-(2-nitrophenyl)oxazole ; 3-(4-bromophenyl)-5-butyl-1,2,4-oxadiazole ; 3-(4-bromophenyl)-5-ethyl-1,2,4-oxadiazole ; 5-butyl-3-(3-nitrophenyl)-1,2,4-oxadiazole ; (5-(3-chlorophenyl)oxazol-4-yl)methanol ; 5-(3-chlorophenyl)-4-hydroxymethyloxazole ; 5-butyl-3-p-tolyl-1,2,4-oxadiazole ; 2-chloro-3-ethylbenzoxazolium tetrafluo& ; 5-butyl-3-(4-nitrophenyl)-1,2,4-oxadiazole ; 2-chloro-3-ethylbenzoxazolium tetra- &