Pill Identification by Imprints: M 4 Home Pill Identification by Imprints: M 4 4 results METOPROLOL SUCC ER 200 MG TAB Side 1: M 4 Color: White Side 2: Shape: Oval METOPROLOL SUCC ER 200 MG TAB Side 1: M 4 Color: White Side 2: Shape: Oval METOPROLOL SUCC ER 200 MG TAB Side 1: M 4 Color: White Side 2: Shape: Oval METOPROLOL SUCC ER 200 MG TAB Side 1: M 4 Color: White Side 2: Shape: Oval Other Popular Drug Imprint 5/120 BP 650 MYLAN 1730 L 22 F 24 N 305 ORN 57 2L logo and S12 1000 M M 72 E612 5 ZC42 DIFLUCAN 50 DAN 20 B911 611 W 923 U-S 42 C 15 37 44 PATR M 924 ACCOLATE 20 ZA23 RG 10 PLIVA 398 logo and 2848 Fentanyl 12.5 mcg/hr P-Fe 147 L146 F 71 AZ 267 C 746 PD 223 A-009 15 CRESTOR 5 D-3 391 GG 705