Adding Pure Oleogustus Flavor
The journal article lists the chemicals they used, the concentrations tested, and the suppliers they purchased them from (https://academic.oup.com/chemse/article-lookup/doi/10.1093/chemse/bjv036). Contact the manufacturer and ask for pricing. Their website will likely give quantities and item numbers. Make sure it is food grade. I’ve been able to buy small quantities of pure food grade chemicals for $40 from Sigma (as a business). It’s possible they do not sell to individuals though. As a second source, try amazon.