isatogen
noun
isat·o·gen
īˈsatəjə̇n,
-ˌjen
plural -s
: a parent compound C8H5NO2 isomeric with isatin and known in the form of various colored derivatives that are made by treating an ortho -nitro-phenyl-acetylene with sulfuric acid
Word History
Etymology
International Scientific Vocabulary isatin + -o- + -gen