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 3RP TR 0 or TR 6 or TR 1 or KH 2 TZD GG 550 974 2171 W990 2683 467 J67 B P 397 TAK RAM-8 3 5 S190 ISA L2U4 CORGARD 20 RSV 10 V249 C 35 T 25 TH1M GG 738 C 74 L147 130 SZ 431 E 4 NQ ZD18 54 760 60 97 NP 13 200 mg DSC L30 L 1 Shire L010 IP207