Pill Identification by Imprints: ML 31 Home Pill Identification by Imprints: ML 31 1 result METFORMIN HCL ER 750 MG TABLET Side 1: ML 31 Color: Pink Side 2: Shape: Oblong Other Popular Drug Imprint NP 1 FLO Z 67 CORTEF 5 93 5269 H 602 54 411 L428 UCB 750XR BCL 50 GG 124 C C+C N L 2.5/325 WRF 2 NPS 275 S 572 ULTRAM 5 XL V 200 W 1037 MYLAN 5428 WPI 9 E 170 NTBC 2 mg PD 270 NL 950 NEORAL 25mg ZA-35 CL 31 1047 WPI 3739 CL 75 HP 512 CF Lilly 3227 702 M L21 334 453