Tannin; tannic acid; gallic acid; industrial use of phenol (terms considered linguistically incorrect by the International Bureau - Rule 13 (2) (b) of the Common Regulations); ether; saponin; ketone; aldehyde; benzene derivative; benzaldehyde

'13':19 '2':20 'acid':3,5 'aldehyd':29 'b':21 'benzaldehyd':32 'benzen':30 'bureau':17 'common':24 'consid':11 'deriv':31 'ether':26 'gallic':4 'incorrect':13 'industri':6 'intern':16 'keton':28 'linguist':12 'phenol':9 'regul':25 'rule':18 'saponin':27 'tannic':2 'tannin':1 'term':10 'use':7

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