the drug and its metabolites were extracted from 50-100 microliter samples of whole blood , serum or plasma using bond elut c 18 column and quantitated by high-performance liquid chromatography , using technician fast-lc-c-8 ( rp 5 micrometers ) bonded column and a mobile phase consisting of 53 % methanol , 1 % acetonitrile in kh2po4 buffer and 10 microliters/l triethylamine .
C0229671
serum
C0032105
plasma