difluorodiphenyltrichloroethane

diflavin diflorasone diflubenzuron diflucan diflucortolone diflunisal difluorene difluoride difluorinated difluorizated difluoro-benzene difluorobromomethane

effective half-life effective half-word effective head effective heat effective heat exchange area effective height effective helix angle effective horsepower effective impedance effective implementation