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  |  |     | # | Species | Formula |    | 200 | Phenyl lithium | H5LiC6 |  |    | 201 | Triethylborane | H15BC6 |  |    | 202 | Benzyl, cation | C7H7 |  |    | 203 | Tropylium, cation | C7H7 |  |    | 204 | Cycloheptatriene | C7H8 |  |    | 205 | Norbornadiene | C7H8 |  |    | 206 | Toluene | C7H8 |  |    | 207 | 1,2-Dimethyl cyclopentene | C7H12 |  |    | 208 | 1-Ethyl cyclopentene | C7H12 |  |    | 209 | 1-Methyl cyclohexene | C7H12 |  |    | 210 | Norbornane | C7H12 |  |    | 211 | 1,1-Dimethyl cyclopentane | C7H14 |  |    | 212 | 1,2-cis-Dimethyl cyclopentane | C7H14 |  |    | 213 | 1,2-trans-Dimethyl cyclopentane | C7H14 |  |    | 214 | 1,3-cis-Dimethyl cyclopentane | C7H14 |  |    | 215 | 1-Heptene | C7H14 |  |    | 216 | Ethyl cyclopentane | C7H14 |  |    | 217 | Methyl-cyclohexane | C7H14 |  |    | 218 | 2,2,3-Trimethyl butane | C7H16 |  |    | 219 | 2,2-Dimethyl pentane | C7H16 |  |    | 220 | 2,3-Dimethyl pentane | C7H16 |  | 
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