L-tyrosine
(S)-3-(p-hydroxyphenyl)alanine
Ácido (S)-2-Amino-3-(p-hydroxyphenyl)propiônico

C9H11NO3

It's an amino acid.

Synthesis of phenylalanine and tyrosine (3D)
Catabolism of phenylalanine, tyrosine and leucine (3D)
Alkaloydes synthesis (Kyoto University)
Aminoacyl-tRNA biosynthesis (Kyoto University)