“This is an Organic Chemistry custom book compiled for the University of Helsinki by Oxford University Press from material originally published in Chemistry³: Introducing inorganic, organic and physical chemistry By Andrew Burrows, John Holman, Andrew Parsons, Gwen Pilling and Gareth Price (9780199691852).”

https://www.booky.fi/tuote/burrows_andrew/chemistry_3_introducing_inorganic_organic_and/9780199691852