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 N1 S TYLENOL ER 214 5553 321 PE820 A332 44 452 MYLAN 327 M 1860 MYLAN 5222 B300 ACTIQ 600 93 208 WELLBUTRIN SR 150 06/012D G451 435 A175 K 23 PFIZER 412 MYLAN 3422 MYLAN 345 233 ML 22 T 278 cor 215 SOMA MYLAN 3404 L15 AP207 44-393 WPI 3331 54 883 1207 M 127 B4 C CBP 400 M512