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 ED DM WATSON or WATSON 075 P U 5410 L191 327 CBP 400 543 E 47 AE BI 6 2 9 P 175 L355 177 b 94 RDY 665 G 254 874 4 KPI 117 5683 T535 E 205 PX 4 RIFAMATE WELLBUTRIN SR 100 ELN 30 T591 SG 322 3205 logo and 3 Z 71 192 L122 270/80 AP 84 1004 ANI 230 N 940 PD 222