Pill Identification by Imprints: AN 322 Home Pill Identification by Imprints: AN 322 1 result NIACIN ER 750 MG TABLET Side 1: AN 322 Color: Light Brown Side 2: Shape: Oblong Other Popular Drug Imprint WPI 3385 AN 522 G 22 SLC 222 MYLAN 2264 EP 114 L 301 TL 217 107 T 18 ZA47 SCHWARZ ACIPHEX 20 S 25 POLY 212 581 EP112 93 3145 1158 262 253 M 753 U-S E 221 logo and 718 GAS-X ES DIAMOX 754 RDY609 MP 84 VGR 100 RP H7.5 325 UCB 584 UPSHER-SMITH 0229 MYLAN 4250 ZA-09 L U logo and TJ NT 300 C*