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 U03 ZF 23 RD 72 MYLAN 2268 L255 Buprenorphine Transdermal System 54 628 2064 V V S VP 120 1 325 R-265 E613 10 WRF 6 20700UL 93 753 1 mg 411 LAMICTAL XR 200 FI F22 ZD 19 L114 S476 78 54 511 A D G P 10 WATSON 488 ZESTRIL 2 1/2 U85 11.4 M U12 IN150 ARICEPT VP 021 54 339 A 151 93-5