(R)-2-amino-2-(cyclohexa-1,4-dien-1-yl)acetic acid; D-(-)-2-(2,5-Dihydrophenyl)glycine; (R)-a-aminocyclohexa-1,4-diene-1-acetic acid;2,5-dihydro-d-phenylglycine;d-(-)-2-(2,5-dihydrophenyl)glycine;d-(-)-2,5-dihydrophenylglycine;d-2,5-dihydro-phenylglycine;d-(-)-alpha-amino-1,4-cyclohexadiene-1-acetic;d(-)-dihydro phenylglycine;dihydrophenylglycine;h-d-phg(2,5-dihydro)-oh;h-d-phg(2,5-h 2)-oh;h-d-phg(h2)-oh;(r)-(-)-2-(2,5-dihydrophenyl)glycine;(r)-(-)-2-amino-2-(cyclohexa-1,4-dienyl)acetic acid;[(r)-alpha-amino-1,4-cyclohexadiene-1-acetic acid];4-cyclohexadiene-1-aceticacid,.alpha.-amino-,(r)-1;(r)-alpha-aminocyclohexa-1,4-diene-1-acetic acid;d-(-)-alpha-2,5-dihydrophenylglycine;(r)-(-)-2-(2,5-dihydrophenyl)glycine, 98;d-(-)-dihydro-alpha-phenylglycine;(r)-à-amino-1-(1,4-cyclohexadienyl)acetic acid;(r)-?-amino-1,4-cyclohexadiene-1-acetic acid