Pill Identification by Imprints: 537 Home Pill Identification by Imprints: 537 13 results POTASSIUM CITRATE ER 10 MEQ TB Side 1: 537 Color: Tan Side 2: Shape: Oval POTASSIUM CITRATE ER 10 MEQ TB Side 1: 537 Color: Tan Side 2: Shape: Oval POTASSIUM CITRATE ER 10 MEQ TB Side 1: 537 Color: Tan Side 2: Shape: Oval TRAMADOL ER 300 MG TABLET Side 1: 537 Color: White Side 2: Shape: Round TRAMADOL ER 300 MG TABLET Side 1: 537 Color: White Side 2: Shape: Round TRAMADOL HCL ER 300 MG TABLET Side 1: 537 Color: White Side 2: Shape: Round TRAMADOL-ACETAMINOPHEN 37.5-325 MG TAB Side 1: 537 Color: Light Yellow Side 2: Shape: Oblong TRAMADOL-ACETAMINOPHEN 37.5-325 MG TAB Side 1: 537 Color: Light Yellow Side 2: Shape: Oblong TRAMADOL-ACETAMINOPHEN 37.5-325 MG TAB Side 1: 537 Color: Light Yellow Side 2: Shape: Oblong TRAMADOL-ACETAMINOPHEN 37.5-325 MG TAB Side 1: 537 Color: Light Yellow Side 2: Shape: Oblong TRAMADOL-ACETAMINOPHEN 37.5-325 MG TAB Side 1: 537 Color: Light Yellow Side 2: Shape: Oblong TRAMADOL-ACETAMINOPHEN 37.5-325 MG TAB Side 1: 537 Color: Light Yellow Side 2: Shape: Oblong ‹ 1 2 › Other Popular Drug Imprint 25 42 543 RI91 397 GGN6 M S23 54 931 logo and 117 J 248 LI 5 E4 RDY 663 LA16 ECR 1032 1/8 logo and 14 1117 L344 44 452 M C1 MP 10 G 325 AN34 GG 540 35 80 PO S1 MS ZA-12 DAN 5556 APO T100 MYLAN 6899 WC 730 Y01 021 SZ 438 US 12 583 KU 262 CL28