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 RP133 GX CL2 Y02 SFE Advil 100 WATSON 853 K 55 CR 500 L131 SUPRAX 100 AN 2 MYLAN 5280 RAM FL 60 CYP 197 Z 12 IP 190 EP 135 LEVOXYL T580 5/325 I1 K105 E 44 H568 MSD 117 M 58 M D27 L2 or F IP204 G 13 L41 logo and 1004 1205 NL 571 L143 M 253 InterMune and logo 267mg riba 200 5125 V