Presented at Cambridge (UK) cheminformatics meeting, February 2021. Mixtures of chemicals are underutilised from an informatics point of view, and this presentation shows some of the work done by Collaborative Drug Discovery, IUPAC and InChI Trust to remedy this. See recording: https://www.youtube.com/watch?v=0ILc0owuEzQ&list=PLfj_gc4RCduuwv9p8lh2xS1EhQ3p_Nd9S&index=1 ... my part starts at 1:05:00