C - Chemistry – Metallurgy – 07 – D
Inventor
C - Chemistry, Metallurgy
07
D
Inventor
2-substituted-5-alkyl resorcinols
5-substituted 2,3-dihydrobenzofuran-2-carboxylic acids and...
5h-(1)benzopyrano(3,4-d)pyridines
9-hydroxy-7,8,9,10-tetrahydro-6h-dibenzo (b) (d) pyrans and...
Hydroxyaminomethyl derivatives of benzoyl di-substituted...
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