Pill Identification by Imprints: AN 323 Home Pill Identification by Imprints: AN 323 4 results NIACIN ER 1,000 MG TABLET Side 1: AN 323 Color: Orange Side 2: Shape: Oblong NIACIN ER 1,000 MG TABLET Side 1: AN 323 Color: Orange Side 2: Shape: Oblong NIACIN ER 1,000 MG TABLET Side 1: AN 323 Color: Orange Side 2: Shape: Oblong NIACIN ER 1,000 MG TABLET Side 1: AN 323 Color: Orange Side 2: Shape: Oblong Other Popular Drug Imprint A 42 Lofibra 134 mg logo and 43 ZF 43 ECI M 437 N 30 logo and NR PAC20 E 71 MYLAN 6380 EP 905 54 328 WPI 3630 URS790 WRF 7 1/2 S 180 AAA 1138 CDT 254 ML 040 WATSON 783 Animi 3 4H2 RX 504 C26 logo and TI 58 77 SB MYLAN 731 GP T 22 B 8 BP WATSON 796 IP 254 GDC 103 logo and 151 I 22 S 6 RENAGEL 800