Pill Identification by Imprints: HP 63 Home Pill Identification by Imprints: HP 63 1 result THEOPHYLLINE ER 450 MG TAB Side 1: HP 63 Color: White Side 2: Shape: Oblong Other Popular Drug Imprint b 974 UL500 465 93 5269 GX CJ7 AP211 721 NPR EC 375 n 352 31 81 270 928 S429 250 mg L544 Pepto Bismol 12 NC 667 S406 3170 V RTG-200 M 147 MYLAN 2002 logo and 56 CLEOCIN 75 mg J95 GGN2 6468 MYLAN 216 93 834 PREMPRO 0.3/1.5 KU 487 44 615 or 44 544 DG1 M 113 cor 126 MRK E72 M 447 P 240 ZYRTEC D