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 PAR 822 par 455 159 54 760 63 1004 par 701 HPC 200 HYD 120 BVF 240 APO 800 A-002 logo 150 93 175 MYLAN A3 CLR NP 13 PLIVA 324 M 1850 CP 406 SIDEROL logo and 832 GIL 1 U 137 D 0 11 317 54 262 WATSON 3210 OMJ 250 M MC2 MYLAN 6895 E224 CL11 logo SZ 136 B528 P 15 par 725