血管けっかん収縮しゅうしゅくやくではありません
kekkanshūshukuyakudewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 血管収縮薬

1. Not a vasoconstrictor.; Is not a vasoconstrictor.

Negative
Polite
Formal Register