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 ZYRTEC U15 par 258 93 130 cardizem CD 240 mg M136 ZESTRIL 977 5013 V 52 Y 609 PAR 821 703 PC16 logo and 2907 93/11 S 571 TL 171 462 1/4 2172 E3 MYLAN 232 248 Z18 54 135 L368 F 2 MX2 ZCR TAM RI89 logo and Pamelor 25 mg ESL600 G 1530 54 025 par 021 EC 740 G 1520