cc-by-4.0Ehn, Mikael2025-04-292025-03-202025-03-20https://datakatalogi.helsinki.fi/handle/123456789/4336The dataset for the article "Selective deuteration reveals the importance of multiple branching pathways in alpha-pinene autoxidation" and the full dataset from the flow reactor experiments on a-pinene ozonolysis and autoxidation utilizing advanced isotopic labelling and CI-orbitrap. Contains the explanations for all the data, CI-orbitrap data, diary, and relevant information for enabling data processing from raw data using Orbitool.ozonolysisHydrogen-deuterium exchangeatmospheric chemistryisotopic labellingselective deuterationa-pineneautoxidationdataset