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 656 b1011 APTALIS 40 R789 LAMICTAL 100 GX CT1 SV J3T MYCOBUTIN VP 25 logo and 524 GS UFU 50 SLC 223 D2/850 ZC 68 ASC 116 314 GG C9 M205 35 35 5 220 ibr 70 mg L U SYPRINE 54 758 A 31 D5 A CD TUMS SD STO 75 U 89 COUMADIN 5 K4 B855 837 B 3 L13 logo and 672 10LA MYLAN 4070 NORPRAMIN 75