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 WW928 0031 V 93 4069 A026 FOSTEUM PLUS NL 4 U-S T 50 44 198 1044 S405 750 logo and 2891 ANI 173 CL11 RDY 664 APO ZIP M. Amphet Salts 93 5200 1074 2.5/1000 2176 A 10 GP325 L48 FOR SLEEP M 738 WW929 ML 96 ML 35 1385 93 321 N16 RENAGEL 400 S3 S 660 MYLAN 8020 logo 1115 M PD9 PLIVA 468 2 9 F52