oxadiazolo

Noun

 * 1)  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].