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  |  |     | # | Species | Formula |    | 2505 | Methoxydichloroborane | H3BCOCl2 |  |    | 2506 | Be(II)Cl2 (ETBECL) (Geo) | H10BeC4OCl2 |  |    | 2507 | Be(II)Cl2 (ETBECL) | H10BeC4OCl2 |  |    | 2508 | Cl2O2 | O2Cl2 |  |    | 2509 | Oxalyl chloride | C2O2Cl2 |  |    | 2510 | Oxalyl chloride (Geo) | C2O2Cl2 |  |    | 2511 | Be(II)Cl2O2 (ETBECL01) (Geo) | H20BeC8O2Cl2 |  |    | 2512 | Be(II)Cl2O2 (ETBECL01) | H20BeC8O2Cl2 |  |    | 2513 | 1,1-Dichloro-1-nitro-propane | C3H5NO2Cl2 |  |    | 2514 | B3O3HCl2 | HB3O3Cl2 |  |    | 2515 | Chlorine heptoxide | O7Cl2 |  |    | 2516 | 1,1',2,2'-Tetranitro-1,2-dichloroethane | C2N4O8Cl2 |  |    | 2517 | 1,3-Dichloro-1,1,3,3-tetranitropropane | C3H2N4O8Cl2 |  |    | 2518 | Dichlorofluorborane | BFCl2 |  |    | 2519 | Fluorodichloromethane | HCFCl2 |  |    | 2520 | Dichlorodifluoromethane (Geo) | CF2Cl2 |  |    | 2521 | Difluorodichloromethane | CF2Cl2 |  |    | 2522 | 1,2-Dichloro 1,1,2,2-tetrafluoroethane | C2F4Cl2 |  |    | 2523 | Sodium chloride, dimer (Geo) | Na2Cl2 |  |    | 2524 | Sodium chloride, dimer | Na2Cl2 |  |    | 2525 | Magnesium dichloride | MgCl2 |  | 
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