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 ibr 70 mg 1325 ASK002 14 or 11 C 746 40 mg C8 or C7 or C6 or C9 44 428 PROTONIX SZ 135 N 204 E 204 L 217 840 M 171 ADOXA M C2 CL48 E 223 M136 48 10 ELP 10 AK 60 K 31 PFD E20 0866 PBT 5.0 T 194 MYLAN PR60 logo SANDOZ 666 D 94 E 211 V222 810 U-S 125 150 U03 IP 102 SZ 225