D. ASHOK, D. SHRAVANI, and M. SARASIJA, “Microwave-Assisted Solvent Free Synthesis of 1{5-[(E)-1-Aralkyl/ Arylimino ethyl]-2,4-dihydroxy phenyl}ethanones”, ajc, vol. 21, no. 9, pp. 6727–6730, Mar. 2010.