Pill Identification by Imprints: M 28 Home Pill Identification by Imprints: M 28 3 results NADOLOL 20 MG TABLET Side 1: M 28 Color: Yellow Side 2: Shape: Round NADOLOL 20 MG TABLET Side 1: M 28 Color: Yellow Side 2: Shape: Round NADOLOL 20 MG TABLET Side 1: M 28 Color: Yellow Side 2: Shape: Round Other Popular Drug Imprint R 10 U16 982 or 983 CPC 339 MYLAN 551 F21 99 MUTUAL 866 ALG 263 L274 025 PERCOGESIC COMTAN 9Q3 F11 E9 54 293 M 515 SZ246 GG 18 4 05 573 C 20 335 T20 MM A 32 P 20 Estradiol 0.0375 mg/day (Once Weekly) WW 951 AAT 102 L100 K 78 Lopid 18 P20 A-P 1 E T81 AHI 2 LASIX and logo 80