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 AC 357 191 LC 77 MgO AR 374 C 74 3 5 m 200 ZF 14 L U K G 4910 CL 41 TCL 334 GM 4 437 C148 Andrx 640 TCL333 1222 630 I62 M D9 I10 logo and 87 MD P 5 0632 75mg 299 RI52 597 VP 076 54 866 1000 W 784 P-O Lactase M-3 par 221 WATSON 892 or WATSON P 2 or 4