Pill Identification by Imprints: M 2540 Home Pill Identification by Imprints: M 2540 1 result METHADONE 40 MG TABLET DISPR Side 1: M 2540 Color: Orange Side 2: Shape: Rectangular (Rounded End) Other Popular Drug Imprint P 175 WPI 3631 AN 442 M75 C 74 4893 Andrx 698 N 81 MYLAN 345 KEFLEX 750 TE TE 860 44-393 Climara (estradiol) 0.05mg/day logo and 500 MSD 117 44 449 E 83 344 IP 253 GPI A5 EGLT 30 SFE Meta PAD 0118 POLY 210 MYLAN 3205 logo and 805 E61 Advil A/S M 724 601 B134 TAK RAM-8 WW 458 037 ML 35 H 602 B 566