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 LAMICTAL XR 100 MYLAN 2264 U-S 500 668 600 B4 C WAR 5 M RN1 AN70 WATSON 606 AE BL 300 RCC GPE MP 183 L612 FLAGYL L 298 V401 P20 QP 146 861 2063 V CN 90 OS 214 1G5 E 128 PAL 9 M 923 logo and HC E 410 C 35 Butrans 20mcg/hour RD05 M2A3 57344 HLP 40 b 701 RU5 I20 ZC 78 M522