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 TA1M logo and 33 ZC44 G 0029 KRC P-113 L340 506 1020 344 49 EP 134 P-D 007 54 511 U46 AS 400 T504 C72 UPSHER-SMITH 0086 5413 243 69 IG271 P 300 G 423 MP 101 1206 8 08 logo and 57 PREMPRO 0.625/5 RJ71 ZA20 ESL800 IP 302 717 40 logo and 152 54 899 I 05 M72