- Design and synthesis of 3-(4-ethylphenyl)-2-substituted amino-3H-quinazolin-4-ones as a novel class of analgesic and anti-inflammatory agents. Alagarsamy, V., Raja Solomon, V., Murugan, M., Dhanabal, K., Parthiban, P., Anjana, G.V. J. Enzyme. Inhib. Med. Chem (2008)