Figure 9. Reductive degradation of metamizol. Bottom: direct injection; middle: methanol at 500°C reactor temperature; top: metamizol in methanol at 500°C reactor temperature

From

The Analgesic Metamizol (Dipyrone). Part 2: Adsorption, Oxidative and Reductive Degradation

Vithushan Ambalavanar, Achim Habekost

World Journal of Chemical Education. 2018, 6(5), 204-211 doi:10.12691/wjce-6-5-1