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 PX 3 SZ 137 SG 176 122 CTN 44 178 Z 4235 M MC2 L023 logo and 574 logo and 4804 612 BVF 240 X502 5.7 G 222 E700 2089 V M 138 M CL1 LL 253 MYLAN 1610 567 MIA 110 L 217 MP 445 WATSON 800 T 543 TEVA 2050 1385 PAR 821 54 372 L 349 2 53 logo and 255 802 Black B 749 TV 6 WPI 3659 M D5