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 M A30 R-264 E 215 713 MYLAN 6440 Librax Relagesic E 10 A 325 Voltaren XR NEURONTIN 600 S405 750 44 397 E613 10 J1 232 or 294 or 233 5411 L881 AMT AMBI 445 ML 72 WATSON 414 TL 127 226 or 291 B528 ANI 241 ML 91 ZC 67 U42 E 146 M 713 CA logo and 49 P 4 GX CM3 USL 8 659 ZOLOFT PARAFON FORTE DSC M 137