ELECTRONIC	s l a s h   s l a s h   m   s   d   s dot c h e m dot o x dot a c dot u k   s l a s h   h y   s l a s h   h y d r o g e n   u n d e r s c o r e   s u l f i d e dot h   t   m   l	//msds.chem.ox.ac.uk/hy/hydrogen_sulfide.html	1