Pill Identification by Imprints: RE 21 Home Pill Identification by Imprints: RE 21 8 results ATENOLOL 100 MG TABLET Side 1: RE 21 Color: White Side 2: Shape: Round ATENOLOL 100 MG TABLET Side 1: RE 21 Color: White Side 2: Shape: Round ATENOLOL 100 MG TABLET Side 1: RE 21 Color: White Side 2: Shape: Round ATENOLOL 100 MG TABLET Side 1: RE 21 Color: White Side 2: Shape: Round ATENOLOL 100 MG TABLET Side 1: RE 21 Color: White Side 2: Shape: Round ATENOLOL 100 MG TABLET Side 1: RE 21 Color: White Side 2: Shape: Round ATENOLOL 100 MG TABLET Side 1: RE 21 Color: White Side 2: Shape: Round ATENOLOL 100 MG TABLET Side 1: RE 21 Color: White Side 2: Shape: Round Other Popular Drug Imprint WATSON 152 IP 253 B 155 b 702 538 KEY 74 TL 002 TZ 2 571 1049 A 51 M 573 ADDERALL XR 30/2 AN896 2 M T12 TYLENOL 500 HOSPITAL 75 50 AA 12 IP 115 SMV MYLAN 3120 Durlaza V 6 0 ZC 81 PLIVA 469 EV 0079 U 89 086 080 AN 543 44-470 19 KRC500 0524 0405 F 72 M 090 AR 374 643