Pill Identification by Imprints: M-541 Home Pill Identification by Imprints: M-541 1 result CIMETIDINE 800 MG TABLET Side 1: M-541 Color: Green Side 2: Shape: Oval Other Popular Drug Imprint MC 32 A333 MO1 CYP 160 A34 HP65 166 LCI 1383 ex-lax 1 L368 AHI 1 E4 E300 518 R718 T503 573 54 489 P 175 M 424 PIO logo 133 T 193 P U E41 1 logo and 3062 A4 M 924 WPI 3629 N 225 E 882 EXELON 3 mg Onset M050 PRODRIN BTG NL 571 P/T P61 316