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 FS2 S489 54 303 A IL L424 54 085 V353 UCY 500 AN 512 b 212 228 TREZIX logo G19 B1 R189 UT 2.5 BAYER BAYER RX 505 5 2 5 6 1385 MP 573 Pepto Bismol 400 147 P 5 N004 R1 L 167 54 427 P 075 T3 L008 MOT BMS 150mg E 53 DSC L15 54 531 MYLAN 5280 L2U4