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 U39 MJ 756 AA 99 EMBEDA 37-4401 logo and 324 H7.5 325 par 029 D 92 CORGARD 80 R 10 RIC or FV S 368 CPC 1325 V04 8 08 0813 YS 01 D1 or D2 or D3 or P2 656 L467 A~ F or FL E 512 G 2001 395 342 PD 222 NORVASC 93/11 MYLAN 5220 U86 GX CL5 2682 ZA-50 NT or EP or E 4 P-2 D15 MP 168