pretreatment with sulfhydryl ( sh ) containing drugs ( e.g. , l-cysteine , n-acetyl-l-cysteine , cysteamine , dimercaprol ) or prostaglandin ( pg ) f2 beta prevented the ethanol-induced increase in vascular permeability , the labelling of blood vessels with vascular tracers , and the subsequent haemorrhagic erosions .
C0010654
l-cysteine
C0001047
n-acetyl-l-cysteine