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 CYP 870 581 M 76 RP 145 L050 DHA SOMA RG 11 G 240 WATSON 606 TARO CZ ER 200 AR 788 MP 183 TOPAMAX cor 187 736 OMP 20 K 46 M151 93 657 COUMADIN 2 1/2 T 50 250 MG 314 D99 GG 439 Z 3927 barr 24 mg 65 54 346 A 2 26 660 54 960 LAMICTAL 150 CR 750 logo and 511 PX 2 L421 PREMARIN 0.9 VP 021