id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
iajs-595	Ali, E. T.	Synthesis Of New Asymmetrical Pyromellitdiimides Derived From Pyromellitic Dianhydride	2017	10	.pdf	application/pdf	4261	238	68	O C C O O O O OH N R H O O O O O O R NH2 C O O O O O C O H N R H RT Acetone Scheme 2 Proton exchange The structure of these acids[I]a-f was studied by melting point , FTIR spectroscopy . [II]d N-(4-methoxy phenyl)- pyromellitmonoimide NO O O O O OCH3 C17H9NO6 210- 212 82 Brown	cache/iajs-595.pdf	txt/iajs-595.txt