prednazate prednazate prednazate, a combination of prednisolone hemisuccinate with perphenazine, is a synthetic glucocorticoid corticosteroid as well as typical antipsychotic and sedative/tranquilizer. it was a component of sixty six-20, a combination of prednazate (prednisolone hemisuccinate and perphenazine) and chlorpheniramine. prednazatecombination ofprednisoloneglucocorticoidperphenazinemajor tranquilizerclinical datatrade namessixty six-20 (with chlorpheniramine)other namesprednisolone hemisuccinate compound with perphenazine; sch-6620; 11β,17α,21-trihydroxypregna-1,4-diene-3,20-dione, 21-(hydrogen succinate), compound with 4-(3-(2-chlorophenothiazin-10-yl)propyl)-1-piperazineethanol (1:1)drug classcorticosteroid; glucocorticoididentifierscas number5714-75-0pubchem cid10010848chemspider8186427unii71099p640pkeggd05600comptox dashboard (epa)dtxsid70972604