芳香ほうこうぞく炭化たんか水素すいそじゃないです
hōkōzokutankasuisojanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 芳香族炭化水素

1. It's not an aromatic hydrocarbon.

Negative
Polite
Casual Register