3,3',3'',3'''-((2,3-Dihydroxy-1,4-naphthylene)bis(methylenenitrilo))tetrapropionitrile 73826-32-1 NSC 79046 Propanenitrile, 3,3',3'',3'''-((2,3-dihydroxy-1,4-naphthalenediyl)bis(methylenenitrilo))tetrakis- (9CI) Propionitrile, 3,3',3'',3'''-((2,3-dihydroxy-1,4-naphthylene)bis(methylenenitrilo))tetra-