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 RI89 ALEVE H9050 CPC2069 CXL 4 67 Y E501 RE 1010 Macrobid I 51 M T15 N004 P13 6 mg SZ 431 G 343 A-25mg BMS 80 832 BM05 54 455 M 31 BL 50 TL 383 ADOXA A402 656 M211 54 763 K 46 NORPRAMIN 25 MYLAN CF 45 54 620 G 3719 242 G77 OMEPRAZOLE 40 mg Lilly 3234 ELP 2 1/2 E 74