Pill Identification by Imprints: NPR EC 500 Home Pill Identification by Imprints: NPR EC 500 1 result EC-NAPROSYN EC 500 MG TABLET Side 1: NPR EC 500 Color: White Side 2: Shape: Oblong Other Popular Drug Imprint 57 55 RP US 2.5 CL 85 LCI 1329 CL55 BRONKAID 4895 CL 77 83 RG78 P 60 logo and 3063 93 3107 APO 134 TV 5401 54 Librax E4 713 U 11 RI6 par 258 G 0522 FL 14/10 576 1 9 AUM 103 749 STARLIX TL051 AP 84 CPC1325 1335 AT131 WRF 7 1/2 SL 125 93 63 150 WATSON 853