Pill Identification by Imprints: 458 458 Home Pill Identification by Imprints: 458 458 1 result LOPRESSOR 50 MG TABLET Side 1: LOPRESSOR Color: Pink Side 2: 458 458 Shape: Oblong Other Popular Drug Imprint M 313 296 GX CE3 M 355 EXH 16 RP110 BAYER EGLT 30 L75 M 1743 AN 643 RF 27 AS 400 M 515 LILLY 4112 E 32 5 2 CL 44 C 20 G441 US 5 Centrix 133 EV00707 G 254 AC 357 SR 375 INS K 401 GG 55 Ortho or Ortho 535 P 1 P VP M 28 logo 752 GP 151 logo and 3062 ZOCOR M525 Butrans 10mcg/hour