Pill Identification by Imprints: HP 4 Home Pill Identification by Imprints: HP 4 3 results HYDRALAZINE 100 MG TABLET Side 1: HP 4 Color: Pink Side 2: Shape: Round HYDRALAZINE 100 MG TABLET Side 1: HP 4 Color: Pink Side 2: Shape: Round HYDRALAZINE 100 MG TABLET Side 1: HP 4 Color: Pink Side 2: Shape: Round Other Popular Drug Imprint 8117 L553 MYLAN 152 F 76 W 100 WW928 RX693 CL55 barr 8 mg 261 TA2M 611 54 591 93 756 NC 100 WATSON 424 GX ES7 A534 WW 268 LH2 L 217 FENTANYL 400 MCG ER X 77 FENTANYL 50mcg/hr 8.6 TV A18 WATSON 235 VM NT 16 logo and 1830 G 1540 221 RI4 EP 340 MOVA P293 Lilly 3234 NPR LE 500 1205