芳香 ほうこう ぞく化合 かごう ぶつではありませんでした
hōkōzokukagō butsudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 芳香族化合物

1. Was not an aromatic compound.; Was not a fragrant compound.

Past/Perfective
Negative
Polite
Formal Register
Chemistry