Diflucortolone valerate
Diflucortolone valerate ( also Nerisone cream/oily cream/ointment , Neriderm ointment , Japanese is a corticosteroid rated Class 2 "potent" ( 100-150 times ) in the New Zealand topical steroid system . 
<triplet> topical steroid <subj> corticosteroid <obj> subclass of