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 IP 117 Z622 LDT VALPROIC 250 93 5269 P1 ML 88 V361 par 009 C84 NPR EC 500 260 2 54 BN4 5011 V MES V 180 B192 ML 31 AN293 U86 V265 I7 GPI MP 542 62 CR 250 logo and 2372 21 G logo and 5029 MP 80 3205 CL 41 P4 GG 93 733 MYLAN 148 Pharmics B4 C 3972 37 97