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 S405 750 LILLY 4117 F1 APO 014 GPI A5 I-Caps E 174 IP 219 LZ cor 188 Onset M075 WATSON 152 Lilly 2 Butrans 10mcg/hour 54 375 U23 GX CE2 001 I54 54 661 U36 25 41 MYLAN 6203 n 352 NT 16 ARI 15 465 logo and 4404 OWP 1000 SZ 986 logo and 6 54 650 G&W 9 4 MUTUAL 866 SA 50 PLIVA logo and 509 GP400 75mg