RS 21314 is a topical thiol ester corticosteroid.
RS-21314 is a thiol ester corticosteroid with anti-inflammatory effects[1].
[1] J T Ong, et al. Intrinsic potencies of novel thiol ester corticosteroids RS-85095 and RS-21314 as compared with clobetasol 17-propionate and fluocinonide. Arch Dermatol. 1989 Dec;125(12):1662-5. PMID:2589861