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 TR100 UT 0.25 PLIVA 456 X X PAN 5 POTABA 51 575 261 3431 B419 4H2 54 734 cor 130 100 101 232 315 EP 114 Y 45 FP 440 EP 320 m 154 330 logo 040 H 501 PD 535 DHA EGLT 60 MP 101 AP 045 E 4 logo and 076 E 25 9Q3 TL 384 US 67 4186 par 029 b1009 44 533