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 0475 logo and 117 NPS 275 IMITREX OS 212 TARO 55 WRF 21/2 W 902 ADIPEX-P 37.5 MP 511 NALFON 400 mg L 2 W Effexor XR MX1 L052 N 4 SLV B 153 PRAVACHOL 40 F11 logo and 4805 CXL 8 AN 77 BCL 50 WATSON 780 BL 50 A 20 C 93 LA16 #L 001 GMZ V258 cor 230 b1011 64 ZC57 M471 CARDURA 54 987