Each kit contains 100 mg each of eighteen compounds.Aniline 4-Nitroaniline2-Chloroaniline 2,4-Dinitroaniline3-Chloroaniline 2-Chloro-4-nitroaniline4-Chloroaniline 4-Chloro-2-nitroaniline3,4-Dichloroaniline 2,6-Dichloro-4-nitroaniline2,4,5-Trichloroaniline