こう凝固 ぎょうこ ざいではありませんでした
kōgyōkoza idewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 抗凝固剤

1. Was not an anticoagulant.; Was not a blood thinner.

Past/Perfective
Negative
Polite
Formal Register