Pronunciation: [ˈə͡ʊpi͡ənˌa͡ɪl] (IPA)
Correct spelling for the English word "Opianyl" is [ˈə͡ʊpi͡ənˌa͡ɪl], [ˈəʊpiənˌaɪl], [ˈəʊ_p_iə_n_ˌaɪ_l] (IPA phonetic alphabet).
Meconin.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Correct spelling for Opianyl