Pill Identification by Imprints: logo and 1830 Home Pill Identification by Imprints: logo and 1830 1 result METHYLPHENIDATE ER 30 MG CAP Side 1: logo and 1830 Color: Maroon Side 2: 30 mg Shape: Oblong Other Popular Drug Imprint GGD6 5971 V 54 733 AS 400 Tandem Plus P58 N4 UPSHER-SMITH 0230 E 137 AMG ZA21 BP 649 I26 AA 71 L 120 551 IL 3581 WATSON A 39 E T81 591 STI 022 M 48 C1 or C2 or C3 n 575 logo and 660 RX904 MYLAN 1400 AMB 5 C 84 logo and 19 44 531 F52 M D10 H 602 U41 BMS 1964 VASO 20 Triax M050 PA1