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 A/P 12.5 / 30 CYP 160 Z350 50 mg GAVISCON 1175 HP 4 54 763 M112 DAN 20 LCI K 31 151 MOTRIN PM L 40 W 1035 WW969 132 951 ATABEX AN 512 L977 I4 M S23 5 mg MYLAN 6320 SANDOZ 572 WATSON 3210 ACA 100mg M MT AN35 F 24 NPX 60 T L 64 SG 321 Lilly 3234 Y02 H5 224 TUMS SD LL 722