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 721 1 MYLAN 4250 A MYLAN 8008 840 PH044 C 114 VP 012 CM3 GG 490 M P8 U-S DSC L30 logo and 640 L H 2 AZ 80 W D 92 GG 336 logo 222 TRICARE DHA 401 TV 10 W 783 ED UB MP 513 AN 512 722 54 177 P 450 H3647 EM 10 AMG G 2 367 G231 PF DIFLUCAN 150 XR 150 S252 V S