ラクトンです
rakutondesu
1. Lactone is.
Noun
#222548
1. Lactone is.
1. lactone
1. matatabilactone
1. Is not lactone.; It is not a lactone.
1. Was a lactone.
1. Wasn't lactone.
1. with lactone; by lactone
1. Wasn't lactone.
1. Was lactone.
1. Was not lactone.; It was not lactone.