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 logo and 073 S21 5 5 5 E 647 1 83 M X G-DS-50 AC359 HLP 20 l81 L2 or F MP 9 P 20 37 44 E 104 M PD9 E1 or E2 n 352 N004 SCI7 54 763 54 262 7033 Ris 0.5 Cdx 50 A3 or P P 300 AB1 L19 LL M 775 M C2 FENTANYL 600 RIBAVIRIN 200MG 93 7385 10 VALIUM M P8 MP 178 FENTANYL 50mcg/hr U 136