There are three chlorophenyl azides:
2-Chlorophenyl azide (ortho) 3-Chlorophenyl azide (meta) 4-Chlorophenyl azide (para)
Wikipedia
There are three chlorophenyl azides:
2-Chlorophenyl azide (ortho) 3-Chlorophenyl azide (meta) 4-Chlorophenyl azide (para)