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 54 315 ADP bes NORVASC CYP 179 T81 512 Watson 369 MYLAN 145 ZA-18 300 XL 679 AP040 D 1200 MP 447 SZ 466 M 72 DILANTIN L 11 755 L 22 logo and 01A 7 98 A 25 G 786 CL 206 K 13 PACK 75 166 349 M-541 M S23 V348 ucb 1000 logo and 807 DG2 448 logo and 143 CL 41 MP 441 Theo-24 400 mg