殺菌 さっきん消毒 しょうどく ざいじゃありませんでした
sakkinshōdoku zaijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 殺菌消毒剤

1. Was not a disinfectant.; Was not sterilization/disinfection.

Past/Perfective
Negative
Polite
Terminal Form