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 P 240 ZE67 ZYRTEC D U 11 MAXIPHEN LL714 M EN3 ALKA SELTZER 54 013 PLIVA 324 C F L067 barr 733 54 591 T536 logo and 182 54 524 34 1105 G 3720 cor 160 B 260 E0 CL 022 N16 BMS 150 mg V 4171 Flomax 0.4 mg 54 942 NTBC 20 mg EP 136 M 724 GG 201 M E18 TL 001 SZ 658 M 45 MYLAN 334 M RE GZ02