Pill Identification by Imprints: M MN1 Home Pill Identification by Imprints: M MN1 1 result METFORMIN ER 1,000 MG OSM-TAB Side 1: M MN1 Color: Pink Side 2: Shape: Round Other Popular Drug Imprint MYLAN 3422 M 75 229 or 230 2 1/2 ZC57 54 427 logo and 577 590 FS1 Shire P95 WPI 9 SUPPORT 500 N 940 I 36 S5 ZA-44 S 127 1 2 H108 555 655 ORTHO or ORTHO P A 51 MYLAN 7005 WATSON 528 MYLAN 8015 54 899 M L53 ANI 54 716 N B 311 89 KU 181 AN 543 WATSON 630 or WATSON 075 B106 IP 102 AN 571