The story
From sucr(ose) + al(uminum) + (sul)fate.
Etymology from Wiktionary, CC BY-SA 4.0.
sucralfate
Today it means: A drug used in the treatment of gastric and duodenal ulcers. It is a complex of aluminium hydroxide and a sulfate derivative of sucrose, C₁₂HₘAl₁₆OₙS₈ where m and n are approximately 54 and 75. Full definition →