Pill Identification by Imprints: HP 531 Home Pill Identification by Imprints: HP 531 1 result CALCIUM ACETATE 667 MG CAPSULE Side 1: HP 531 Color: Blue Side 2: HP 531 Shape: Oblong Other Popular Drug Imprint 8311 R3 LAMICTAL 25 SD 6 E 84 R-263 AN 54 D3 G 30 HCQS NORCO 071 715 EP 120 4008 N 2 35mg SG 109 MF 2 FLZ 150 HP 60 PD 156 M 31 ST 150 K 26 logo 152 CL 26 874 4 SC 1 US 12 MYLAN 152 MYLAN 512 CP 75 M 154 S 90 UT 1 2232 AN 44 LOTENSIN HCT ZD 19 M 444