Pill Identification by Imprints: E1 or P Home Pill Identification by Imprints: E1 or P 2 results ELINEST-28 TABLET Side 1: E1 or P Color: Multi-Color (2) Side 2: N Shape: Round ELINEST-28 TABLET Side 1: E1 or P Color: Multi-Color (2) Side 2: N Shape: Round Other Popular Drug Imprint WPI 338 M3 or P or M4 CP 402 4186 URS790 Prosteon A Z 438 277 TAM NC 100 par 222 EFF SA 50 L19 GC 101 P11 logo and EK ML 91 MP 8 K 78 N3 MP 303 APO T150 L 64 M 132 WATSON 3208 XELODA 538 G 11 PLIVA 456 TRA650 AR 60 L837 V251 CK A~ E 53 MT3 logo and 117