Grogan, Charles H.; Rice, Leonard M. (). „Ω-Azabicyclic Butyrophenones”. Journal of Medicinal Chemistry. 10 (4): 621. doi:10.1021/jm00316a022. PMID6037051.
Grogan, Charles H.; Rice, Leonard M. (). „Ω-Azabicyclic Butyrophenones”. Journal of Medicinal Chemistry. 10 (4): 621. doi:10.1021/jm00316a022. PMID6037051.