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 V250 0.5 LK100 44-455 136 ML 041 logo and 28 WATSON 463 KU 485 2469 ZA-09 TL601 44 175 M 86 L3 or F B 2 GS TF7 T9 K 101 P09 M F2 AMT ZD 15 MYLAN 6900 COB 42 10 54 157 2 0 U15 F L A10 LCI 1340 WATSON 384 or WATSON logo and 29 T3 N 11 TL 218 555 L 178 M P4