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 Z 3 E 13 VP068 M 543 A533 MP 116 DAN 5535 P 33 IMITREX 100 ZC 03 A~ M2A4 57344 M4 672 2471 SZ 657 P11 FL11 ALKA SELTZER and logo T 174 L C51 L052 WPI 3635 13800UL 2.5 ELP 2 1/2 VASO 20 ZA-37 461 HP 66 PD 527 S476 UPSHER-SMITH 0229 A 43 54 5/500 158 Xulane 150/35 mcg per day TI 100