Pill Identification by Imprints: STO 100 Home Pill Identification by Imprints: STO 100 1 result CARBIDOPA-LEVODOPA-ENTACAPONE 25-100-200 MG TAB Side 1: STO 100 Color: Brownish Side 2: Shape: Oval Other Popular Drug Imprint CL 31 SB AN 441 UPSHER-SMITH 0102 Ocuvel West-ward 257 E3 or C2 V 4172 MYLAN 512 SI PREMPRO 0.625/5 M 725 HP 18 0631 50mg TCL333 878 DIAMOX 754 54 956 SANDOZ 620 DONNATAL CP G 0 CN 90 54 036 I3 P 125 T K 40 3170 V WW65 H 106 logo and 672 60274 SZ 657 PAXIL CR 44 104 44-470 cor 160 A24 X08