4-hydroxyochratoxin A

(4S)-4-Hydroxyochratoxin A

N-[[(3R)-1-Oxo-3α-methyl-5-chloro-4β,8-dihydroxyisochroman-7-yl]carbonyl]-L-phenylalanine

N-[[(3R,4S)-4-Hydroxy-5-chloro-3,4-dihydro-8-hydroxy-3α-methyl-1-oxo-1H-2-benzopyran]-7-ylcarbonyl]-L-Phe-OH