dihydroxyphenylalanine

noun

di·​hy·​droxy·​phe·​nyl·​al·​a·​nine ˌdī-hī-ˌdräk-sē-ˌfen-ᵊl-ˈal-ə-ˌnēn  -ˌfēn- 

1

or 3,4-dihydroxyphenylalanine

ˌthrē-ˌfȯr- 

: dopa

2

or L-3,4-dihydroxyphenylalanine

ˈel- 

or L-dihydroxyphenylalanine : l-dopa