Pill Identification by Imprints: E 50 Home Pill Identification by Imprints: E 50 1 result MEPERIDINE 50 MG TABLET Side 1: E 50 Color: White Side 2: Shape: Round Other Popular Drug Imprint 54 231 West-ward 346 b 777 F5 158 KU 260 49 MP 160 b1009 25 222 M P4 A 17 AN 642 T52 MYLAN 1650 PA1 CPC 490 259 or 310 25 41 L15 R332 M 414 44 403 NTBC 20 mg R189 R 158 or 54 312 or WC 731 G 55 490 MYLAN 512 IN150 L235 I 34 PREMPRO 2087 V N 80 AUGMENTIN P 175 172 23 25 NL2S