oxadiazolo

== English == === Noun === oxadiazolo (uncountable) (organic chemistry, particularly in combination) A functional group consisting of oxadiazole fused to another ring compound. ==== Usage notes ==== "oxadiazolo" is prefixed by a square bracketed list of three numbers to show where oxygen and two nitrogen atoms are in the ring. Valid combinations are: [1,2,3]; [1,2,4]; [1,2,5] or [1,3,4].