Pill Identification by Imprints: M 1820 Home Pill Identification by Imprints: M 1820 1 result METHYLPHENIDATE ER 20 MG CAP Side 1: M 1820 Color: Medium Blue Side 2: 20 mg Shape: Oblong Other Popular Drug Imprint PIX Apetensio XR 759 logo and 159 CP 100 CORTEF 5 C 91 KU 485 G442 logo and 57 KC 8 64 714 44-367 WPC 001 583 E 757 1122 1122 V224 K8 M 313 SL 25 TL 171 M160 V222 025 logo and 346 117 L 66 AMOX 500 I 6 E 149 HP 63 PLIVA 433 ML 37 MF 2 cor 226 M 542 M33 E 771