Egzama, sedef hastal??? gibi cilt emraz?n?n tedavisinde topikal steroidler kullan?l?r.The letters ? and ?[18] denote absolute stereochemistry at chiral centers—a specific nomenclature distinct from the R/S convention[19] of organic chemistry to denote absolute configuration of functional groups, known kak?m Cahn–Ingold–Prelog priority rules.