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 44 450 NL 792 94 TZ 2 West-ward 346 54 716 W 1034 WW 172 ML 64 V 1 MYLAN 6899 Fentanyl 12.5 mcg/hr M X GP 1072 10/500 IP 194 S 10 PLIVA 327 425 CL47 8 4 M33 657 2232 AN902 30 M 312 M B4 CL91 4740 44 226 TYLENOL 3 CODEINE RH38 BMS 200mg 577 49 T569 or B6 N-P 701 AK M151