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 54 771 E 39 M RN1 K 26 MP 114 30mg logo and 4359 CL 43 S553 AUGMENTIN T9 E8 ZC 07 669 342 BI 7 TEGRETOL 718 WAR 4 a bone outline OMJ 50 F 25 4810 033 WW65 ICN PRIFTIN VP 031 Estroven BCT 2 1/2 IP 218 IP 52 GGD6 CGPI 93 7386 US 2.5 PA2120 770 E 724 FLZ 200