(2S)-2-amino-4-deoxychorismate => 4-amino-4-deoxychorismate
(2s)-2-amino-4-deoxychorismate => 4-amino-4-deoxychorismate
(2S)-2-amino-4-deoxychorismate => 4-amino-4-deoxychorismate
(2s)-2-amino-4-deoxychorismate => 4-amino-4-deoxychorismate