Pill Identification by Imprints: STO 150 Home Pill Identification by Imprints: STO 150 1 result CARBIDOPA-LEVODOPA-ENTACAPONE 37.5-150-200 MG TAB Side 1: STO 150 Color: Brownish Side 2: Shape: Oval Other Popular Drug Imprint E8 ZC 68 EXELON 3 mg logo and HF 485 393 N 135 Tandem ZC 82 P2 TV U4 23 27 Nitro-Dur 0.3 mg/hr Neurontin 300 mg logo and 4357 G44 N 740 AP4 265 S405 750 MYLAN 185 151 Theo-24 400 mg 1139 54 337 44-542 par 029 923 RJ73 M1000 H 01 logo and 15 or 20 FLZ 100 FL 20 M455 GG 823 384 3431 GX EX1 M 1820