Pill Identification by Imprints: S407 Home Pill Identification by Imprints: S407 1 result POTASSIUM CITRATE ER 10 MEQ TB Side 1: S407 Color: Pale Yellow Side 2: Shape: Oblong Other Popular Drug Imprint V 1 N021 UL 125 UHE 3431 PD 156 5012 V P97 925 3 214 US 10 P 984 RH 046 SDF 20 J 247 IX524 221 689 GX CE2 VGR 25 A-008 10 625 GG 53 E 56 MSD 106 MP 83 UL500 G 304 LAMICTAL XR 300 S Z CP115 200 MX 15 logo and 6451 C* RSV 40 L234 NXT TL 211 N 20 40