芳香 ほうこう ぞく炭化 たんか水素 すいそではありません
hōkōzokutankasuisodewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 芳香族炭化水素

1. Is not an aromatic hydrocarbon.; Is not a member of the aromatic hydrocarbon family.

Negative
Polite
Formal Register