Gas chromatographic-mass spectrometric characterization of thebaol, an opium constituent, and its structural analogs
Keywords: آنهیدرید هپتافلوورباتیک; BSTFA; N,O-bis(trimethylsilyl)trifluoroacetamide; EI; electron ionization; EPA; Environmental Protection Agency; GC-MS; gas chromatography - mass spectrometry; GCRI; gas chromatography retention index; HFB; heptafluorobutyryl; HFBA; heptafluorobutyric