(3R,4R,5E,10E,12E,14S,26R,26aS)-26-((2-(Diethylamino)ethyl)sulfonyl)-8,9,14,15,24,25,26,26a-octahydro-14-hydroxy-3-isopropyl-4,12-dimethyl-3H-21,18-nitrilo-1H,22H-pyrrolo(2,1-c)(1,8,4,19)dioxadiazacyclotetracosine-1,7,16,22(4H,17H)-tetrone 112362-50-2 DALFOPRISTIN Dalfopristin [USAN:INN] Dalfopristina [INN-Spanish] Dalfopristine [INN-French] Dalfopristinum [INN-Latin] RP 54476 Virginiamycin M1, 26-((2-(diethylamino)ethyl)sulfonyl)-26,27-dihydro-, (26R,27S)-