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 HAW 100 BY4 312 M RN PX 3 logo 067 300 mg RI52 AC 357 3970 VASO 10 MYLAN 5300 MYLAN 5150 MP 659 93 64 A92 ZL 2 URS790 I31 E 39 WAR 2 1/2 SEARLE GDC 103 F1 K 56 ZC17 EM3 ZE 49 WATSON 861 LTG 2 596 2 59 WPI 3155 XR 150 MYLAN DE 30 Andrx 710 D-3 Dia B logo and 4405 M 28