Pill Identification by Imprints: M 1850 Home Pill Identification by Imprints: M 1850 1 result METHYLPHENIDATE ER 50 MG CAP Side 1: M 1850 Color: White Side 2: 50 mg Shape: Oblong Other Popular Drug Imprint RDY 665 A44 E3 or E6 E 149 U S DAN 5782 logo 113 FX 75 IP 116 3205 1442 M136 MYLAN GT 8 M2A3 57344 MUTUAL 901 UPSHER-SMITH 0230 ML 57 West-ward 3141 AN 521 255 K11 C369 121 CM2 54 396 I84 LA16 T31 GG 256 35mg M04 3.0 8117 R718 L77 AC54 51H 51H par 217 APR MESTINON 60 V logo and 2371