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 CYP 179 M 113 MEL 7.5 B384 C43 GG 166 WPC 001 M 444 M455 PREMARIN 0.9 NT 150 N2 GX EH3 25 41 1118 E99 K 29 ALEVECS M04 3.0 M 63 N 741 HYD 120 CAP PLIVA 456 1170 Y2 or P 1251 WW 458 RX3341 A 16 W990 A-24 36 01 799 ZD 15 logo and 84 NE 200 MYLAN P 75 17