イソニコチン さんヒドラジドだったら
isonikochinsanhidorajidodattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of イソニコチン酸ヒドラジド

1. If/when isonicotinic acid hydrazide; If it were isonicotinic acid hydrazide

Tara Conditional