... The aqueous layer was extracted with EtOAc, and the combined organic layers were washed with water and brine, dried over MgSO 4 , filtered ... J. Clin. ... Bocci, G.; Danesi, R.; Allegrini, G.; Innocenti, F.; Di Paolo, A.; Falcone, A.; Conte, PF; Del Tacca, M. European Journal of Clinical ...