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 P 450 3RP 7152 IBU 600 C17 APO 500 CPL 3033 RTG-300 5 mg 5mg MYLAN 810 C 1 U 89 logo and 5312 CIPLA M2A3 57344 SC 800 E 204 020 Zzz V210 E 18 54 452 XANAX 1.0 E 4350 99 M 47 S 901 DYAZIDE SB 153 93 175 80 G 31 logo and 120 N635 861 ONE A DAY T503 logo and 60 APO 041 T 5