We don't have synonyms for chrysophan yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are chrysopal, chrysopa and chrysophane.
(n) :
Archaic form of chrysophane. [(archaic, organic chemistry) A glucoside extracted from rhubarb as a bitter, yellow, crystalline powder, yielding chrysophanic acid on decomposition.]
(n) :
Archaic form of chrysophane. [(archaic, organic chemistry) A glucoside extracted from rhubarb as a bitter, yellow, crystalline powder, yielding chrysophanic acid on decomposition.]