Pill Identification by Imprints: A21 Home Pill Identification by Imprints: A21 2 results AMLODIPINE-OLMESARTAN 10-40 MG Side 1: A21 Color: Brownish-Red Side 2: Shape: Round AMLODIPINE-OLMESARTAN 10-40 MG Side 1: A21 Color: Brownish-Red Side 2: Shape: Round Other Popular Drug Imprint C 5 AN 617 PLIVA 470 44 450 MYLAN 182 WW 458 4468 L521 5 220 DSS E 18 LOPRESSOR 6 mg HP 195 Advil A&CR ATABEX 3QD H569 93 63 nitroglycerin 0.2 mg/hr 313 M451 MYLAN 5200 K 76 AN901 20 611 GSI500 RP120 CET 1 84 EGLT 30 L 80 722 SC 1 MYLAN 143 G 372 2 L199 S 180 PA 915 FL 60