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 E501 EL LT MYLAN 214 A536 D2/1000 ZYLOPRIM 100 logo and 104 1 1032 ucb 250 1253 5126 V E 128 GDC 103 G1 cardizem CD 240 mg MYLAN 5100 L 20 M 30 MYLAN 5420 SLV 674 MSD 106 54 277 M 437 54 515 651 AVA HP 195 GG 336 PA2120 E 512 TCL 016 AC 41 93 319 PC20 VP302 POTABA 51 TV 2 1/2