Pill Identification by Imprints: ATN 50 Home Pill Identification by Imprints: ATN 50 2 results ATENOLOL 50 MG TABLET Side 1: ATN 50 Color: White Side 2: Shape: Round ATENOLOL 50 MG TABLET Side 1: ATN 50 Color: White Side 2: Shape: Round Other Popular Drug Imprint 1161 T 57 GX ES7 V209 54 262 300 ER ZA-43 M77 M 171 MYLAN 334 MYLAN DA 10 AAA 1031 SHIRE 465 SD 6 C F 2 KLONOPIN 86 3137 E 132 RC17 P 1 MYLAN 1259 44-503 E 44 LAMICTAL XR 50 or 100 or 200 M CL1 93 41 25 ZC 76 cor 212 508 logo and 0 3 9 93 5513 DSC L15 A Z V356 ZC45 E4 RX652 V 23