sulfur
type: Concept
preferred label: گوگرد @fa
related: sulfurous acid

sulfurous acid
type: Concept
broader: dibasic acids
preferred label: سولفورو اسید @fa
related: sulfur

dibasic acids
type: Concept
narrower: sulfurous acid
preferred label: اسیدهای دوظرفیتی @fa