Phosphorous acid tri(2-hydroxy-4-methylphenyl) ester
Phosphorous acid tri(2-hydroxy-4-methylphenyl) ester ??
??
Phosphorous acid tri(2-hydroxy-4-methylphenyl) ester C??? ??, ??, ??
Phosphorous acid tri(2-hydroxy-4-methylphenyl) ester ?? ?? ? ???
???
?? ??
Phosphorous acid tri(2-hydroxy-4-methylphenyl) ester ?? ??
???( 0)?? ??