Pill Identification by Imprints: M MN2 Home Pill Identification by Imprints: M MN2 1 result METFORMIN HCL ER 500 MG OSM-TB Side 1: M MN2 Color: Pink Side 2: Shape: Round Other Popular Drug Imprint 1442 Z 5 logo and Zenith 50 mg ZC56 WPI 9 RX 791 TL 122 GX EF3 HP 70 Y2 or P M33 C5 Pharmics AC MYLAN CF 45 Lilly 3231 AN 512 805 M S23 F 85 S 180 P 0 1 Z49 CDT 251 M L21 NC 300 44 334 FENTANYL 75mcg/hr 62 D C MPC 600 MP 271 800 IMA 100 CK DYRENIUM 100mg 425 MP E 801 C 3