Especially valuable amino acids are {HEAD ~ the aromatic amino acids} such as anthranilic acid, p aminobenzoic acid, m aminobenzoic acid, and {TAIL ~ 3 amino p toluic acid} 
such as
Especially valuable amino acids are { HEAD ~ the aromatic amino acids } such as anthranilic acid , p aminobenzoic acid , m aminobenzoic acid , and { TAIL ~ 3 amino p toluic acid }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL