Pill Identification by Imprints: ML 4 Home Pill Identification by Imprints: ML 4 3 results TRAMADOL HCL 50 MG TABLET Side 1: ML 4 Color: White Side 2: Shape: Oblong TRAMADOL HCL 50 MG TABLET Side 1: ML 4 Color: White Side 2: Shape: Oblong TRAMADOL HCL 50 MG TABLET Side 1: ML 4 Color: White Side 2: Shape: Oblong Other Popular Drug Imprint U38 M 61 655 195 3.5 CT2 WATSON 347 BPI 192 44 104 L546 NP 10 E 615 A222 50 ZC42 E 64 U U FL11 UNISOM logo and 777 HP 66 logo 067 HP 174 L 239 S903 APP 333 GX 623 TR 0 or TR 6 or TR 1 or KH 2 W 785 AN 543 logo and 4444 MP 303 ME RE12 B 35 b 973 M P5 VALTREX 500 mg Vivelle-Dot 0.0375 mg/day 420 Z 71