Six-Membered Heterocyclic Nitrogen Compounds with Four Condensed Rings, Volume 2, , Wiley, C. F. H. Allen,Organic chemistry,Chemistry, heterocyclic compounds; chemistry; inception; heterocyclic; cornerstone; aspects; volume; properties; attempts; significance; system; specific ring; industrial; series; volumes; recent literature; individual; supplementary; ring,, The Chemistry of Heterocyclic Compounds: A Series of Monographs, United States, en-UShttps://www.wiley.comheterocyclic compounds; chemistry; inception; heterocyclic; cornerstone; aspects; volume; properties; attempts; significance; system; specific ring; industrial; series; volumes; recent literature; individual; supplementary; ring, [BLURB],[CITY],,books, ebooks, biblet, Book2look