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 K 102 U38 180 F L RP 106 TEMODAR GP 118 L476 E 223 832 200 Ris 0.25 176 IP 116 TAP G 51 AN P40 GG 64 A 13 logo and 0495 M 154 975 RENAGEL 800 LK 50 U42 CITRACAL C53 REV 44 585 logo and 324 341 2 58 par 218 USL 10 cor 132 BTG 577 b 701 TL519 MYLAN DA 10