こう凝固 ぎょうこ ざいじゃなかったです
kōgyōkoza ijanakattadesu

Noun
Desu Copula

The polite, past negative form of 抗凝固剤

1. Was not an anticoagulant.; Wasn't an anticoagulant.

Past/Perfective
Negative
Polite
Casual Register