Pill Identification by Imprints: M 1850 Home Pill Identification by Imprints: M 1850 1 result METHYLPHENIDATE ER 50 MG CAP Side 1: M 1850 Color: White Side 2: 50 mg Shape: Oblong Other Popular Drug Imprint GS MZ1 924 GG 339 ML55 M 27 CP 100 E 149 B198 GG851 TL 113 90 RC25 KU 262 AN 322 L16 A223 Onset M050 INDERAL LA 60 4825 CL 25 BOCA 907 APO 133 PH PLETAL 50 C83 CK I 21 SZ 438 L145 logo and 048 0.2 B911 DYN-080 R2 250 1490 PD 527 WAR 6 Zegerid