Pill Identification by Imprints: L41 Home Pill Identification by Imprints: L41 1 result METFORMIN HCL ER 500 MG TABLET Side 1: L41 Color: White Side 2: LU Shape: Oval Other Popular Drug Imprint M 23 C* ZC 77 32 M54 M522 TL020 467 V268 S 493 WATSON 606 V353 44 533 GPI LB AB1 T582 V362 653 R189 YB M L21 L 60 LOTREL 0364 GG 931 5880 93 93 AS M 31 CL 042 TARO CZ ER 300 I 23 RX904 WATSON 583 S 370 826 E0 PFD 267 mg 6 E794 4007