Pill Identification by Imprints: L42 Home Pill Identification by Imprints: L42 1 result METFORMIN HCL ER 1,000 MG TAB Side 1: L42 Color: White Side 2: LU Shape: Oval Other Popular Drug Imprint Z46 T81 54 311 93 208 NP 14 OS 303 AN 513 T 10 ARI 30 14 4740 par 210 West-ward SLX 102 C 284 MYLAN CF 45 ALKA SELTZER EX S 54 293 876 S Z T 174 GG 64 TL 177 POT 10 A CS WATSON 606 R180 BP 301 12 21 611 SUPRAX 200 U40 logo and 1116 VEM logo and 620 MYLAN 457 FLI 7 mg C4 44 532 D20