5-Hydroxy-3-(4-hydroxybenzyl)-7-methoxychroman-4-one is a natural product of Agave, Amaryllidaceae. 5-Hydroxy-3-(4-hydroxybenzyl)-7-methoxychroman-4-one can be used as a reference standard.

Epoxomicin is a selective proteasome inhibitor with anti-inflammatory activity, inhibits primarily the CH-L activity of the 20S proteasome.

Levulinic acid derived from the degradation of cellulose is a precursor for the synthesis of biofuels such as ethyl levulinate.