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 V20 E 71 WATSON 3211 M PD3 2 53 441 T598 LOTREL 0379 ML 62 FL11 T 278 WP 0320 MYLAN ZE 60 DAN 5783 600 I 17 L254 T582 AA1 EM1 E 5 861 PA20 U3 537 E5 or E6 ROCHE 0245 Butrans 7.5 mcg/hour C27 L2U4 G 304 93 308 81/40 barr 400 mg GG 461 3626 37 GSK BN4 M MT