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 M R N6 SANKYO 547 204 AK 80 RE 76 0500 509 L 217 TEVA 7590 ZC 08 L227 MYLAN 8030 logo and 4359 93 7373 MP 903 B 543 ZC 25 056 IP204 1000 MG M 154 37-4401 MSD 106 93 3123 DISTA 3107 TOZAL ZESTRIL 2 1/2 710 H 49 461 80 mg PERCOCET 812 CB8 MYLAN 5410 AW BP 631 M 23 AP040