Pill Identification by Imprints: WPI 3739 Home Pill Identification by Imprints: WPI 3739 1 result HYDROMORPHONE HCL ER 12 MG TAB Side 1: WPI 3739 Color: Dark Yellow Side 2: Shape: Round Other Popular Drug Imprint 33 191 93 5513 VP030 GG850 R-263 Tandem RIFAMATE G221 CL51 NALFON 400 mg 7154 544 HMP W 782 20mg 75 50 LK100 AN 543 627 SA 50 logo SANDOZ 651 L 26 logo and KA U48 SA 100 G222 RIFADIN 150 NORPRAMIN 25 MP 50 US 14 RDY609 E 648 VP059 RX632 H 602 AN 675 LAMICTAL XR 250 EP 340 1118