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 5225 M D36 US 13 AN 675 b1011 X 10 K 401 272 M 434 Advil 261 C325 1000 XANAX 1.0 1 85 AN 642 DAN 25 5125 V MX 16 SCI7 STO 100 10 XL M1000 BRX 0.25 Mucinex 8 05 Q 300 120 A 171 logo and S5 1000 M 93 5512 L145 logo SANDOZ 651 MP 9 FOR SLEEP M R WW 112 ZA08 114 D6 a bone outline PH 024