ブテンです
butendesu
1. Buten desu.; It is Buten.
Noun
#178666
1. Buten desu.; It is Buten.
1. butene
1. Probably butene.; It will likely be butene.
1. Not butene.; Not benzene.
1. If butane; When butane
1. Was not buten.; It was not buten.
1. Was not buten.; It wasn't buten.
1. It is not buten.
1. If butene; When butene
1. It's not buten.; It isn't buten.