Pill Identification by Imprints: 503 Home Pill Identification by Imprints: 503 12 results BISOPROLOL-HYDROCHLOROTHIAZIDE 5-6.25 MG TAB Side 1: M Color: Blue Side 2: 503 Shape: Round BISOPROLOL-HYDROCHLOROTHIAZIDE 5-6.25 MG TAB Side 1: M Color: Blue Side 2: 503 Shape: Round INTUNIV ER 1 MG TABLET Side 1: 503 Color: White Side 2: 1MG Shape: Round INTUNIV ER 2 MG TABLET Side 1: 503 Color: White Side 2: 2MG Shape: Oblong INTUNIV ER 3 MG TABLET Side 1: 503 Color: Green Side 2: 3MG Shape: Round INTUNIV ER 4 MG TABLET Side 1: 503 Color: Green Side 2: 4MG Shape: Oblong TIZANIDINE HCL 4 MG TABLET Side 1: 503 Color: White Side 2: Shape: Round TIZANIDINE HCL 4 MG TABLET Side 1: 503 Color: White Side 2: Shape: Round TIZANIDINE HCL 4 MG TABLET Side 1: 503 Color: White Side 2: Shape: Round TIZANIDINE HCL 4 MG TABLET Side 1: 503 Color: White Side 2: Shape: Round TIZANIDINE HCL 4 MG TABLET Side 1: 503 Color: White Side 2: Shape: Round TIZANIDINE HCL 4 MG TABLET Side 1: 503 Color: White Side 2: Shape: Round Other Popular Drug Imprint 44-527 MYLAN 6900 HP 146 H 602 AA 70 C181 TL 001 GX CE2 3671 logo and 4804 SANKYO C01 TL 115 240 mg 10 31 518 A44 L-FLAV D 50 FH 160 VM M CD M GP5 INDERAL LA 160 240 LCE 75 4742 188 K 111 RP 867 RX905 SZ 788 57 71 24 logo and 2778 YH 018 M RE2 SD 12 NL 572 KU 486