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 ER 1 S 225 LP332 E 7 L010 M 17 I84 54 029 M 355 WATSON 630 or WATSON 632 M L21 A CL 377 MUTUAL 401 PX 3 ADP bes I 07 A/P 12.5 / 15 93 711 FL 10 GX EG2 349 BMS 1965 NOVO 291 VH3 ABG I P 400 E 55 logo and 2848 ZF 23 BY4 M162 TL388 ANDRX 605 543 C371 G 3719 CTI 223 1000 MG