## 2 Results and Discussion
### Identification of ARR VOCs In Vivo in Rats
a** & **Name of Compounds** & **CAS b** & **tk (min)** & **MW c** & **Formula** & **R1 d** & **Identification e** \\ \hline
**M61** & \(p\)-Cymen-8-ol & 1197-01-9 & 34.660 & 150 & C\({}_{10}\)H\({}_{14}\)O & 1851 & MS, RI \\
**M62** & 2,3-Dimethyldecahydronaphthalene & 1008-80-6 & 34.995 & 166 & C\({}_{12}\)H\({}_{22}\) & 1859 & MS \\
**M63** & Guaiacol & 90-05-1 & 35.000 & 124 & C\({}_{7}\)H\({}_{4}\)O\({}_{2}\) & 1860 & MS, RI \\
**M64** & Safrole & 94-59-7 & 35.108 & 162 & C\({}_{10}\)H\({}_{10}\)O & 1862 & MS, RI, REF \\
**M65** & Benzyl alcohol & 100-51-6 & 35.662 & 108 & C\({}_{7}\)H\({}_{50}\)O & 1877 & MS, RI \\
**M66** & Verbenone isomer & & 36.215 & 150 & C\({}_{10}\)H\({}_{14}\)O & 1891 & MS \\
**M67** & Verbenone isomer & & 36.360 & 150 & C\({}_{10}\)H\({}_{14}\)O & 1895 & MS \\
**M68** & 2-Phenylethylanol & 60-12-8 & 36.725 & 122 & C\({}_{8}\)H\({}_{10}\)O & 1906 & MS, RI \\
**M69** & Agarosiprl & 1460-73-7 & 37.365 & 222 & C\({}_{8}\)H\({}_{23}\)O & 1928 & MS \\
**M70** & 3,4-Methylenedioxyanetiso & 7228-35-5 & 37.450 & 152 & C\({}_{8}\)H\({}_{4}\)O\({}_{3}\) & 1931 & MS \\
**M71** & Isosafrole isomer & & 37.575 & 162 & C\({}_{10}\)H\({}_{10}\)O\({}_{2}\) & 1936 & MS \\
**M72** & Crossol & 93-51-6 & 38.108 & 138 & C\({}_{8}\)H\({}_{10}\)O\({}_{2}\) & 1954 & MS, RI \\
**M73** & 2-Allyl-1,4-dimethylbybenzene & 19754-22-4 & 38.535 & 178 & C\({}_{11}\)H\({}_{4}\)O\({}_{2}\) & 1968 & MS \\
**M74** & Thymounginone & 490-91-5 & 38.880 & 164 & C\({}_{10}\)H\({}_{12}\)O & 1980 & MS \\
**M75** & Methyleugenol isomer & & 39.055 & 178 & C\({}_{11}\)H\({}_{4}\)O\({}_{2}\) & 1986 & MS \\
**M76** & 6-Allyl-o-cresol & 3354-58-3 & 39.435 & 148 & C\({}_{10}\)H\({}_{12}\)O & 2000 & MS \\
**M77** & 2,4-Dimethylanisole & 6738-23-4 & 39.485 & 136 & C\({}_{6}\)H\({}_{22}\)O & 2002 & MS \\
**M78** & \(p\)-Methoxybenzaldehyde & 123-11-5 & 39.630 & 136 & C\({}_{8}\)H\({}_{9}\)O\({}_{2}\) & 2008 & MS, RI \\
**M79** & Methyleugenol & 93-15-2 & 39.715 & 178 & C\({}_{11}\)H\({}_{4}\)O\({}_{2}\) & 2011 & MS, RI, REF \\
**M80** & \(o\)-Methylphenol & 95-48-7 & 39.730 & 108 & C\({}_{7}\)H\({}_{8}\)O & 2012 & MS, RI \\
**M81** & Isosafrole & 120-58-1 & 39.925 & 162 & C\({}_{10}\)H\({}_{10}\)O\({}_{2}\) & 2020 & MS, RI \\
**M82** & 2,3,5-Timethethoxytoluene & 38790-14-6 & 40.415 & 182 & C\({}_{10}\)H\({}_{4}\)O\({}_{2}\) & 2040 & REF \\
**M83** & 3,4,5-Trimethoxytoluene & 6443-69-2 & 40.610 & 182 & C\({}_{10}\)H\({}_{4}\)O\({}_{3}\) & 2048 & MS, RI, REF \\
**M84** & 3,4,5-Trimethoxybenzoic acid & 118-41-2 & 40.780 & 212 & C\({}_{10}\)H\({}_{12}\)O\({}_{5}\) & 2055 & MS \\
**M85** & Globulol & 51371-47-2 & 40.910 & 222 & C\({}_{5}\)H\({}_{23}\)O\({}_{2}\)O & 2061 & MS, RI \\
**M86** & 1,2,4-Trimethoxybenzene & 135-77-3 & 41.430 & 168 & C\({}_{6}\)H\({}_{22}\)O\({}_{3}\) & 2083 & MS, RI \\
**M87** & \(E\)-Isocroweacion & 19460-92-1-7 & 41.755 & 192 & C\({}_{11}\)H\({}_{23}\)O\({}_{2}\) & 2096 & MS \\
**M88** & Dihydroteugenol & 2785-87-41 & 41.970 & 166 & C\({}_{10}\)H\({}_{4}\)O\({}_{2}\) & 2106 & MS, RI \\
**M89** & Spathulenol & 6750-60-3 & 42.110 & 220 & C\({}_{15}\)H\({}_{24}\)O & 2112 & MS, RI \\
**M90** & Dihydroteugenol isomer & & 42.190 & 166 & C\({}_{10}\)H\({}_{4}\)O\({}_{2}\) & 2116 & MS \\
**M91** & Viridiidirol & 552-02-3 & 42.310 & 222 & C\({}_{15}\)H\({}_{26}\)O\({}_{2}\) & 2122 & MS, RI \\
**M92** & Patchouloul & 5986-55-0 & 43.065 & 222 & C\({}_{15}\)H\({}_{26}\)O\({}_{2}\) & 2157 & MS, RI \\
**M93** & Eugenol & 97-53-0 & 43.250 & 164 & C\({}_{10}\)H\({}_{12}\)O\({}_{2}\) & 2166 & MS, RI, REF \\
**M94** & 1,2,4-Trimethoxybenzene isomer & & 43.565 & 168 & C\({}_{12}\)H\({}_{2}\)O\({}_{3}\) & 2181 & MS \\
**M95** & 4-Methoxysafrole & 18607-93-7 & 43.745 & 192 & C\({}_{11}\)H\({}_{23}\)O\({}_{2}\) & 2189 & MS, RI \\
**M96** & _m_-Eugenol & 501-19-9 & 43.780 & 164 & C\({}_{10}\)H\({}_{2}\)O\({}_{2}\) & 2191 & MS, RI \\
**M97** & 2,4,5-Trimethoxybenzoic acid & 490-64-2 & 43.815 & 212 & C\({}_{10}\)H\({}_{12}\)O\({}_{2}\) & 2192 & MS \\
**M98** & Thymol & 89-83-8 & 43.850 & 150 & C\({}_{10}\)H\({}_{4}\)O\({}_{2}\) & 2194 & MS, RI \\
**M99** & \(p\)-Methyloxypropophenone & 121-97-1 & 43.910 & 164 & C\({}_{10}\)H\({}_{12}\)O\({}_{2}\) & 2197 & MS \\
**M100** & Bulnesol & 22451-73-6 & 44.010 & 222 & C\({}_{15}\)H\({}_{26}\)O\({}_{2}\) & 2202 & MS, RI \\
**M101** & \(\alpha\