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 LAMICTAL XR 250 PROVERA 5 139 MP 79 CP 401 IP204 T88 M MC2 logo and TH logo and EK XP650 ALTACE 10 mg West-ward 787 I 06 3171 V WATSON 488 ZC 65 u100 0 95 54 427 LILLY 4116 D 85 Climara 0.0375mg/day NT 150 KU 119 VP 011 M A12 0398 CL48 102 M PD6 L9Y7 8119 002 2 RP C 746 EP 117 P/T N010 b 94