略語大辞典 [Chem] 21 HBT† 6-hydroxy-1,3-benzoxathiol-2-one チオキソロン. 抗皮脂漏症薬.6-hydroxy-1,3-benzoxathiol-2-one; a chemical; [Chem]. 丸善「略語大辞典」JLogosID : 11876597