かん芳香 ほうこう ぞく炭化 たんか水素 すいそだったら
takan hōkōzokutankasuisodattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 多環芳香族炭化水素

1. If it were polycyclic aromatic hydrocarbons; Were it polycyclic aromatic hydrocarbons

Tara Conditional