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 A226 PACK 75 798 G264 L15 YS 02 NL 711 PLIVA 471 ZD 13 AVA par 029 WAR 10 LK 50 A 40 LAMICTAL 100 44 BP 650 MYLAN 148 73 01 WPI 1.5 VIBRA 7.5/325 M400 93 756 E LE 500 SZ 344 F 75 893 WPI 3771 MYLAN 7050 OS 301 MP 160 2 59 G 037 logo and 665 G232 TL518 54 375 351