Pill Identification by Imprints: WPI 3630 Home Pill Identification by Imprints: WPI 3630 1 result HYDROMORPHONE HCL ER 16 MG TAB Side 1: WPI 3630 Color: Beige Side 2: Shape: Round Other Popular Drug Imprint PH 32 MYLAN 1650 R8 A 100 L16 MERICON logo Nitroglycerin 0.4 mg/hr Macrobid PAD 0115 M 755 K 26 M 228 M 134 N 135 A23 54 177 348 485 BVF 180 6 475 E 647 74 ZE 350 8 4 DROXIA 6335 IP33 838 LCE 125 2776 5 2 1 84 W 902 ZA21 292 C171 832 BM2 311 AV U S 850