Complex sentence: Mass spectrometry and gas chromatography analysis have allowed the identification of different fragrances of these pseudo-flower, and curiously some of them were found to be chemically similar to non-host flowers rather than to host flowers and host vegetation.
Split into simpler sentences: Mass spectrometry and gas chromatography analyses have allowed identification of different fragrances of these pseudoflowers. Curiously, some fragrances are found to be chemically similar to non-host flowers rather than to host flowers and host vegetation.