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(R)-(+)-2-(4-hydroxyphenoxy)propionic acid(DHPPA)
Methyl (R)-(+)-2-(4-hydroxyphenoxy)propionate(DHPPMe)
Ethyl (R)-(+)-2-(4-hydroxyphenoxy)propionate(DHET)
Butyl (R)-(+)-2-(4-hydroxyphenoxy)propionate(DHBU)
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