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 118 52 Y par 725 11 37 1222 ALKA SELTZER EX S Z 3925 RIFATER RG 10 MCR 109 E 56 B134 RI3 G 4960 GX CE2 H 604 CL55 25 43 ML 35 MYLAN 1001 5 220 N 305 Y2 or P WAR 5 OTSUKA 15 P620 KC 8 4833X ML 23 44-329 4186 MYLAN 6090 MERICON logo Lilly 3238 WW 15 L873 ESL200 ZC19 S 12 GG 331