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 N 598 FENTANYL 1200 70 Andrx 640 8.6 NL 276 170 SP 325 ROCHE 0245 467 8 07 Z 3927 455 CHAO F04 KU EVK AP4 138 M P8 VP 043 M A11 V10 MYLAN 6202 153 PX 3 L59 ZL 2 17 MYLAN DE 10 2 logo and 500 FDX AMBI 445 CTI 223 TL 175 MYLAN 1700 RX 504 MX2 129 MACRODANTIN 100 mg