Pill Identification by Imprints: M1000 Home Pill Identification by Imprints: M1000 2 results GLUMETZA ER 1,000 MG TABLET Side 1: M1000 Color: White Side 2: Shape: Oval METFORMIN HCL ER 1,000 MG TAB Side 1: M1000 Color: White Side 2: Shape: Oval Other Popular Drug Imprint 1/2 KLONOPIN L180 MF 1 RIFATER 54 312 84 CP 25 PN 93 7351 250 MG M525 M 146 ONE Butrans 20mcg/hour logo and 530 G451 WPI 844 LANOXIN X3A MYLAN 5340 N 81 NT 400 R P 10 RX616 M RN T538 L100 C 89 627 BMS 125 mg cardizem CD 120 mg 32 B 311 ALEVE SINUS&HEADACHE P295 16 BNVA AR AR 788 NT or EP S408