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 logo and 22 SCI 501 logo and 34 logo and A4 44 453 U MYLAN TE 4 M 30 riba 200 M T12 86 67 C020 CR 500 N 947 K 46 SL 50 barr 100 mg W 902 382 CP 333 H 147 UCB 581 LCI 1340 L 80 083 NORVASC 10 3125 180 PA 917 URS790 logo and 33 ZC43 1 85 E701 L227 191 PREMARIN 0.3 GG 634 HP 229 704