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 E 38 M2A3 57344 TN 2 2 mg cor 188 Y 43 1004 ALEVECS T30 227 J78 logo and PCE C010 54 571 93 782 S 493 logo and 351 SG 329 Estradiol 0.0375 mg/day (Once Weekly) 4I GLYNASE 1.5 840 PBT 4212 FELDENE L020 E6 351 713 BI 11 M A12 CTI 112 D 25 logo and 5029 93 54 RP160 51 38 A 214 B 526 AN 41