Pill Identification by Imprints: 537 Home Pill Identification by Imprints: 537 13 results TRAMADOL-ACETAMINOPHEN 37.5-325 MG TAB Side 1: 537 Color: Light Yellow Side 2: Shape: Oblong ‹ 1 2 › Other Popular Drug Imprint O-M 180 or O-M 215 or O-M 250 M. Amphet Salts 0111 V 0891 RSV 5 45 mg 194 1346 PY 1 XP D C UT 2.5 MONODOX 50 54 463 NT 50 W 903 S3 I4 PLAQUENIL ZE 50 15LA 1080 T535 383 P-D 007 C 89 E1 or E2 or E3 or C2 CL49 381 T1 125 A02 TN 1 114 93 756 logo 137 WATSON 783 b 777 51A RG 11 M451