Pill Identification by Imprints: M 54 Home Pill Identification by Imprints: M 54 1 result METHYLPHENIDATE ER 54 MG TAB Side 1: M 54 Color: Red Side 2: Shape: Oblong Other Popular Drug Imprint WW 927 M 7 WPI 3630 GG 337 201 54 233 XR 200 C 114 WPI 839 M 943 MP 88 LBH 10 mg AN899 15 RIS 104 1451 ANI 511 ZONEGRAN 25 224 b 701 221 GG 606 SZ 290 4008 L227 I90 KU 106 5/325 ZYLOPRIM 100 B855 US 12 245 or 302 MSD 711 G453 B 293 E41 WPI 845 I 136 Orlistat 232 and logo 581