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 S 572 n 573 C27 UPSHER-SMITH 0086 LCI 1340 54 557 W961 C171 ZBO L 4 MYLAN 477 35 86 9 3 3169 93 63 L469 AMOX 250 RDY608 I84 par 753 M D5 93 7373 GGN5 M 1 ZANTAC 150 C 116 ZC 15 707 ML 94 logo and 10 I 4 VASO 20 VANQUISH V232 GXL 2.5 421 PLIVA 334 IB200 340 MP 659