ELECTRONIC	d a s h   a   s   t   r dot g   s   u dot e   d   u   s l a s h   h b a s e   s l a s h   o r g a n i c   s l a s h   e s s a m dot h t m l m o r g a n	-astr.gsu.edu/hbase/organic/essam.htmlmorgan	1