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 A 41 FOR SLEEP M Z340 40 mg TYLENOL D15 CL 6 MYLAN 3005 PLIVA 323 M D11 231 GAB 600 IP 305 253 or 306 35 35 NL 710 GX EG2 J94 GIL 304 ZYNOVA 01 568 TV 5 T598 par 219 RI 5 N011 RX 7 Lilly 3230 93 7373 G-X T1 or T2 or T3 or P 2064 V logo 751 5 or 10 R 10 Ris 0.25 DYRENIUM 100mg L132 PH 044 54 531 CT2