english: An allocation of the positions by the Greek alphabet letter (α-γ) and the nomenclature substitution pattern typical to the homoaromatic systems (para ortho, meta, ) are used sometimes.
non_english: Alokasi posisi ku huruf abjad Yunani (α-γ) lan pola substitusi nomenclature khas kanggo sistem homoaromatik (para ortho, meta,) digunakake kadhangkala.