Pill Identification by Imprints: ATN 100 Home Pill Identification by Imprints: ATN 100 2 results ATENOLOL 100 MG TABLET Side 1: ATN 100 Color: White Side 2: Shape: Round ATENOLOL 100 MG TABLET Side 1: ATN 100 Color: White Side 2: Shape: Round Other Popular Drug Imprint 172 LE 500 HP59 m 154 L852 OS 304 M 36 NT or EP ACTIQ RSV 10 749 ZOVIRAX MOD 100 C3 or P V201 cor 215 OMEPRAZOLE 40 mg SZ 395 SZ Z4 54 753 M RE2 3 MUTUAL 401 A029 W 904 THIS END UP D05 G231 M MT SHIRE 465 MYLAN 772 020 MYLAN DA 10 S408 M 1745 P 984 P295 16 U35 GG 772 M RE4