Pill Identification by Imprints: ATN 50 Home Pill Identification by Imprints: ATN 50 2 results ATENOLOL 50 MG TABLET Side 1: ATN 50 Color: White Side 2: Shape: Round ATENOLOL 50 MG TABLET Side 1: ATN 50 Color: White Side 2: Shape: Round Other Popular Drug Imprint 724 SS-1 G 45 RESPA 177 44 113 UT 2.5 037 M PD1 E300 265/10 MUTUAL 401 B 35 KU 260 IP 102 GX CE5 N A 0.5 LDT GG 335 G 90 556 ADP bes A7 I 07 SZ 344 LK100 A06 637 PROCARDIA PFIZER 260 RP 115 HP 63 SZ 210 logo and 150 653 145 E 799 ROBAXIN 750 982 E GG854