Azulon
N-(4-methylphenyl)-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide
N-(2,4-dimethoxyphenyl)-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide
N-(3-bromophenyl)-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide
N'-(2-hydroxybenzylidene)-5-isopropyl-3,8-dimethylazulene-1-sulfonohydrazide