次亜 じあ燐酸 りんさんではありませんでした
jiarinsandewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 次亜燐酸

1. Was not sodium hypophosphite.; Was not subphosphorous acid.

Past/Perfective
Negative
Polite
Formal Register
Chemistry