Pill Identification by Imprints: ATN Home Pill Identification by Imprints: ATN 2 results ATENOLOL 25 MG TABLET Side 1: ATN Color: White Side 2: 25 Shape: Round ATENOLOL 25 MG TABLET Side 1: ATN Color: White Side 2: 25 Shape: Round Other Popular Drug Imprint M Z1 G 172 66 Y SEA RLE 10 41 8 07 M400 23 26 A175 DG2 Andrx 698 MCR 117 93 5293 247 or 304 2985 1 4 APTALIS 40 logo and TI V2 FS1 logo and 3117 C 17 44-226 AE E99 5 2 RX124 Apetensio XR E3 419 A 44 B 546 893 WATSON 410 H 105 RU40 977 A257 C8 or C7 or C6 or C9 54 647 V353