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 TMZ West-ward 480 43 logo and 11 R 25 logo and 161 MD 562 N 740 NORTRIPTYLINE 93 3145 SZ 788 35 35 I 21 PD 222 P F BP 321 1181 FIORICET FIORICET 50 92 FO S 21 S553 083 044 N 947 HPC 200 S 369 OWP 500 MUTUAL 900 10 VALIUM 608 P 40 524 E 32 M 35 ML 34 Syntho E58 U 785 L 128