Pill Identification by Imprints: T 21 Home Pill Identification by Imprints: T 21 1 result NAPROXEN SODIUM 275 MG TAB Side 1: T 21 Color: Light Blue Side 2: Shape: Oval Other Popular Drug Imprint ACTICAL FELDENE 54 575 KPI 284 571 L324 US 721 SZ 309 TENORETIC M C52 17 cor 224 E 204 SEROQUEL 25 V344 S592 TCL347 C 5 A333 WPI 858 G 31 R6 Neurontin 100 mg 982 or 983 W 150 logo and 161 WW 66 M 715 b1010 7.5/500 P61 HP 46 35 84 R179 M377 785 25 102 M 424 44 585