In numbering the carbon chain, the carboxylic carbon is
numbered one For naming compounds containing more than one
carboxyl group, the alkyl chain leaving carboxyl groups is numbered
and the number of carboxyl groups is indicated by adding the
multiplicative prefix, dicarboxylic acid, tricarboxylic acid, etc to the name
of parent alkyl chain The position of –COOH groups are indicated by the
arabic numeral before the multiplicative prefix