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 E 71 832 10 NORPRAMIN 150 ZC19 MYLAN 6898 B4 M2A4 57344 A510 926 568 A026 315 logo and 40 E 64 93 7351 or 93 or TEVA SB 4140 RP110 SG 176 93 734 PAR 867 C152 NAPROSYN 187 W 112 C 200 M471 V 5 MP 659 P 3 MYSOLINE 50 logo and 88 BI 6 RG79 I113 G 172 W W CL 1 PAD 0181 M 543 PLIVA 333