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 B106 M2A4 57344 B084 e5 112 253 or 306 I 53 356 AA 13 61 NEORAL 25mg M 54 AUGMENTIN 9 2 54 171 Tiazac 360 SA 50 logo and TH 54 262 MP 84 M 3 GG 957 N 77 TUMS P291 Z340 40 mg YB logo and 5712 Meta 133 O R332 ICN G 70 logo and 833 M 47 4 05 OMJ 100 amneal Onset M0100 AZ 267