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 MOTRIN PM HP45 ML 72 ML 59 E 27 MYLAN 1261 logo and 200 I 71 AC 357 93 7334 Nitroglycerin 0.6mg/hr 44 183 A300 FS3 5685 1 AN 54 794 1139 JSP 545 BY1 L282 MP 513 C47 PERCOCET 5 GX CL2 L132 ZD 20 E1 or E2 93 53 ZE67 ML 57 K 8 ICN T 277 AP 84 N 4 8119 ZA19 FC 119