How to prepare benzocaine (fischer esterification )<br>Add a magnetic stir bar , 1.0 g of p-aminobenzoic acid, and 10ml of absolute ethanol to a round bottom flask. Swirl the mixture until the solid is completely dissolved. Add 1ml of concentrated sulfuric acid drop wise with a pasteur pipette to the ethanol-aminobenzoic solution.
 How to prepare benzocaine (fischer esterification ) nine times
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( z1 have-manner :ARG1 ( z2 prepare :frequency 9 :ARG1 ( z3 small-molecule :name ( z4 name :op "Benzocaine" ) :ARG1-of ( z5 mean :ARG2 ( z6 esterification :mod ( z7 Fischer ) ) ) ) ) )