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041 _aEnglish
082 _a547.59/GIL/HET
100 _aTHOMAS L. GILCHRIST
245 _aHETEROCYCLIC CHEMISTRY
250 _a3RD
260 _bPEARSON
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300 _c414P
650 _aCHEMISTRY
650 _aORGANIC CHEMISTRY
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