D-ALPHA-METHYLTRYPTOPHANE
(S)-(+)-2-AMINO-2-METHYLBUTANEDIOIC ACID
ACPT-I
(3R,4S,5S,6S)-1-AZA-5-CARBOXYL-4-HYDROXY-6-ISOPROPYL-3-METHYL-7-OXABICYCLO[3.3.0]OCTAN-2-ONE
CLASTO-LACTACYSTIN BETA-LACTONE
2,2,6,6-TETRAMETHYLPIPERIDINE-1-OXYL-4-AMINO-4-CARBOXYLIC ACID
(1R,3R)-1-AMINOCYCLOPENTANE-1,3-DICARBOXYLIC ACID