Pill Identification by Imprints: AN 321 Home Pill Identification by Imprints: AN 321 4 results NIACIN ER 500 MG TABLET Side 1: AN 321 Color: Orange Side 2: Shape: Round NIACIN ER 500 MG TABLET Side 1: AN 321 Color: Orange Side 2: Shape: Round NIACIN ER 500 MG TABLET Side 1: AN 321 Color: Orange Side 2: Shape: Round NIACIN ER 500 MG TABLET Side 1: AN 321 Color: Orange Side 2: Shape: Round Other Popular Drug Imprint ML 4 E 262 IG273 APO 019 SZ 76 SDF 20 AHI 4 L75 PA83 R189 Endo 602 LAMICTAL 25 or LAMICTAL 100 L122 par 027 P10 RIFADIN 150 10 00 W 50 B 260 E19 S 901 35 78 M211 1704 CREON 1224 N L 93 7385 54 323 NT 16 W 781 E 0932 GG 977 EP 133 M RN 44 404 U13 cor 256 B135 U 787 3 0