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 655 NORPRAMIN 75 ZF 22 44 194 WP 877 CIT DYN-115 G 3721 M EN3 AN 522 M 76 TENORETIC SU Flomax 0.4 mg UCB 580 99 NAPROSYN LANOXIN U3A R135 MYLAN 147 RI3 TL050 A297 ED DM L 167 AP 84 K10 C 746 AN 511 CL28 LU E01 V.5 HLP 80 54 315 ANI 232 BMS 400 mg A/P 12.5 / 15 664 OTSUKA 30