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 GC 101 5 XL MLX 123 logo and 571 T2 93 7335 P62 906 logo 113 E 102 G 3717 Z315 15 mg 466 WPI 3699 N009 T81 1206 logo and 5 901 NM1 BPI 192 Tiazac 180 CZ 100 G264 CL 6 G41 L124 93 7351 SZ 395 GG 931 M136 43 P-D GELUSIL 034 44 542 MX 16 UM AT 262 RI90 44-292 USL 8