It can be viewed as a benzyl group substituted for the methyl group of alanine, or a phenyl group in place of a terminal hydrogen of alanine.
Dika ihe oriri na-edozi ahụ , L-phenylalanine nwere ike ile anya dị ka otu benzyl nke a gbanwere maka otu methyl nke alanine, ma ọ bụ otu phenyl nọ n'ọnọdụ hydrogen nke alanine.