"' Ethyl heptanoate "'is the ester resulting from the condensation of heptanoic acid and ethanol.
2.
Cherry flavour can be made from ethyl heptanoate, geranyl butyrate, methyl benzyl acetate and terpenyl butyrate according to the article.
3.
Although it is a completely different ester, propyl hexanoate shares the same chemical formula with methyl octanoate, ethyl heptanoate, butyl pentanoate, etc . because they all have the same total carbon chain length.