ジチオン さんナトリウムでしょう
ajichionsan natoriumudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 亜ジチオン酸ナトリウム

1. Sodium dithionite, probably.; Sodium hydrosulfite, probably.

Polite
Presumptive
Conjecture