Phosgenations: A Handbook - Livius Cotarca, Heiner Eckert - Google Books

https://books.google.de/books?id=Jus63lv1zWsC&pg=PA286#v=onepage

In this manual, the authors compare the range of applications for phosgene with that of the alternative compounds, dealing in detail with the possible uses of diphosgene, triphosgene, carbon dioxide, organic carbonates, oxalylchloride and many other…