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 G52 V 6 ZC 77 ZC 81 A221 S G C 286 L151 PC16 par 027 23 26 OMJ 100 54 271 ADVIL COLD & SINUS 4810 logo and 807 L554 1111 OXC 150 G 322 cor 139 3671 ML 34 T52 A87 logo and 123 MINOCYCLINE 50 C 91 U 88 TAK ALG-12.5 LASIX R A/C 40/12.5 bull symbol V232 TCL 280 T536 R50 G 342 KU 106 SI