Pill Identification by Imprints: MP 446 Home Pill Identification by Imprints: MP 446 1 result DEXTROAMP-AMPHETAMIN 20 MG TAB Side 1: MP 446 Color: Yellow Side 2: Shape: Round Other Popular Drug Imprint E503 GG 540 Fentanyl 12.5 mcg/hr 1049 M C3 BI 7 U 137 E225 4I 2064 V C 115 CL 40 4007 MYLAN MT 7 ML 89 D 84 NTBC 2 mg 591 U 136 4467 R428 Cdx 50 PR 276 M L23 44 533 A CJ S 90 524 LI 5 Ortho or Ortho 135 907 CL60 M 619 F23 EC MP 160 APTALIS 20 C 75 3432