4,4'-Methylenebis(3-hydroxy-2-naphthoic) acid, compound with (2S-trans)-3,4-dimethyl-2-phenylmorpholine (1:2);4,4'-methanediylbis(3-hydroxynaphthalene-2-carboxylic acid) - 3,4-dimethyl-2-phenylmorpholine (1:1)
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