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 E 141 300 ER K 28 APO 500 WATSON 463 AZ 010 NL 790 581 PAD O20 E225 BL 04 Raptor D05 cor 188 240 A03 SI FE FORTE 250 E 47 539 logo and 833 K 7 DAN 5555 AZ 217 TH1M 141 W122 UPSHER-SMITH 0230 61 61 MX1 ABRS-123 u10 CL61 54 356 TI L409 I 136 A