Pill Identification by Imprints: 2131 Home Pill Identification by Imprints: 2131 3 results NITROFURANTOIN MCR 100 MG CAP Side 1: logo and Zenith 100 mg Color: Pink Side 2: 2131 Shape: Oblong NITROFURANTOIN MCR 100 MG CAP Side 1: logo and Zenith 100 mg Color: Pink Side 2: 2131 Shape: Oblong NITROFURANTOIN MCR 100 MG CAP Side 1: logo and Zenith 100 mg Color: Pink Side 2: 2131 Shape: Oblong Other Popular Drug Imprint Neurontin 300 mg 93 7437 Y 43 U 11 W 924 2106 UCB 500XR CIT CTI 103 978 LCI 1383 ZC 79 WW 125 Andrx 696 M 81 MES V 180 logo and 52 A 37 4993 WRF 6 651 T 543 G221 R2 54 571 440 US 13 G 0533 93 5514 ZA-11 WFHC logo and 10 271/100 NE 200 229 or 230 SS-2 V254 42 16 V EA E 84