Pill Identification by Imprints: S406 Home Pill Identification by Imprints: S406 1 result POTASSIUM CITRATE ER 5 MEQ TAB Side 1: S406 Color: Pale Yellow Side 2: Shape: Round Other Popular Drug Imprint B 260 PLIVA 648 LAMICTAL 100 1067 M P9 G433 1/8 860 ZC 64 logo TG RB97 497 A510 CPC 1325 CTI 122 97 GS LFG SZ 986 E 50 W 786 GG 335 MYLAN 8020 ML55 M135 54 702 MYLAN 1650 HP 27 C020 PD 527 MYLAN TM 5 68 85 1120 P 400 A21 2101 L 20 5270 93 MCR 105 MYLAN 2250 cardizem CD 120 mg