ヘキサシアノ てつ さんカリウムでしょう
hekisashiano tetsusan kariumudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of ヘキサシアノ鉄酸カリウム

1. Potassium hexacyanoferrate (II) probably.; Potassium ferrocyanide probably.

Polite
Presumptive
Conjecture