Each kit contains 100 mg each of fourteen compounds.1-Chlorobutane 2-Bromobutane2-Chlorobutane 1,3-Dibromobutane1,3-Dichlorobutane 1,4-Dibromobutane1,4-Dichlorobutane 1,1,2-Tribromobutane2,2-Dichlorobutane 2,2,3-Tribromobutane2,3-Dichlorobutane 1,2,3,4-Te