Peak number % Compound MF MW RT MP Fragmentation peaks 1 0.27 alpha-Bergamotene C15 H24 204 18.9 42 69 (40%), 77 (35%), 91 (100%), 107 (40%), 119 (90%), 133 (10%), 147 (5%), 161 (15%), 189 (5%), and 204 (5%) 2 0.65 Longicyclene C15 H24 204 19.5 57 27 (20%), 41 (60%), 55 (30%), 69 (25%), 79 (30%), 94 (100%), 105 (60%), 119 (50%), 133 (40%), 147 (35%), 161 (40%), 180 (30%), and 204 (35%) 3 9.15 1,4-Methanoazulene C15 H24 204 20.5 89 27 (35%), 41 (100%), 55 (55%), 67 (40%), 79 (70%), 91 (90%), 107 (70%), 119 (55%), 133 (10%), 149 (10%), 161 (5%), and 177 (5%) 4 1.25 Caryophyllene oxide C15 H24 O 220 26.5 68 27 (25%), 41 (90%), 69 (45%), 81 (40%), 85 (100%), 109 (45%), 119 (45%), 137 (20%), 151 (10%), 161 (15%), 189 (35%), and 204 (40%) 5 0.66 1,4-Methanoazulene-9-ol C15 H26 O 222 26.9 64 27 (10%), 41 (60%), 55 (40%), 69 (45%), 81 (30%), 85 (100%), 109 (45%), 119 (45%), 137 (20%), 151 (10%), 161 (15%), 189 (35%), and 204 (40%) 6 0.64 n-Hexadecanoic acid C16 H32 O2 256 31.7 72 27 (20%), 41 (80%), 43 (100%), 60 (90%), 73 (100%), 85 (25%), 98 (20%), 115 (15%), 129 (40%), 143 (5%), 157 (10%), 171 (10%), 185 (10%), 213 (20%), 227 (5%), and 256 (50%) 7 0.45 1-(p-Cumenyladamantane) C19 H26 254 32.5 128 39 (40%), 41 (85%), 67 (15%), 79 (35%), 91 (40%), 105 (20%), 115 (20%), 135 (40%), 145 (10%), 155 (50%), 169 (5%), 197 (20%), 211 (5%), 239 (60%), and 254 (50%) 8 1.38 18-Oxokauran-17-ylacetate C22 H34 O3 346 33.3 150 31 (5%), 41 (50%), 43 (100%), 67 (40%), 81 (50%), 91 (35%), 109 (30%), 123 (40%), 135 (10%), 149 (5%), 161 (5%), 187 (5%), 257 (5%), and 286 (10%) 9 1.27 Naphthalene C20 H32 272 33.9 132 27 (15%), 41 (80%), 55 (60%), 69 (55%), 81 (65%), 95 (55%), 105 (50%), 119 (40%), 137 (40%), 149 (20%), 161 (40%), 175 (20%), 187 (25%), 257 (100%), and 272 (40%) 10 11.97 Gamma-elemene C15 H24 204 34.5 196 28 (15%), 41 (100%), 53 (50%), 67 (60%), 79 (40%), 93 (80%), 107 (50%), 121 (90%), 133 (20%), 147 (10%), 161 (20%), 189 (10%), and 204 (5%) 11 14.77 1-Phenenathrenecarboxylic acid,1,2,3,4,4a,5,6,9,10,10a-decahydro-1,4a C20 H30 O2 302 34.9 203 41 (20%), 81 (15%), 91 (30%), 105 (35%), 117 (20%), 13 (35%), 149 (35%), 157 (20%), 171 (10%), 185 (25%), 197 (10%), 213 (35%), 241 (50%), 256 (35%), 287 (80%), and 302 (100%) 12 18.31 1-Phenenathrenecarboxylic acid,1,2,3,4,4a,5,6,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)- C20 H28 O2 300 35.1 198 41 (10%), 69 (5%), 81 (5%), 91 (10%), 105 (5%), 117 (10%), 129 (15%), 141 (20%), 155 (15%), 169 (10%), 183 (10%), 197 (30%), 211 (5%,) 225 (5%), 239 (90%), and 285 (100%) 13 39.24 Abietic acid, 1-phenenathrenecarboxylic acid C20 H30 O2 302 35.6 195 18 (10%), 41 (20%), 67 (10%), 81 (30%), 9 (35%), 105 (40%), 121 (20%), 136 (50%), 143 (20%), 157 (20%), 171 (10%), 185 (20%), 213 (30%), 241 (40%), and 259 (50%)