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