(S)-3-(Bis-ethylsulfanyl-methyl)-1,2,3,4-tetrahydro-isoquinoline

S-3-formyl-3,4-dihydro-1H-isoquinoline-2-carboxylic acid benzyl ester

(S)-3-(Bis-ethylsulfanyl-methyl)-3,4-dihydro-1H-isoquinoline-2-carboxylic acid benzyl ester

(11aS,12R)-2-Benzyloxy-12-hydroxy-3-methoxy-11,11a,12,13-tetrahydro-6H-5a,13-diaza-benzo[4,5]cyclohepta[1,2-b]naphthalen-5-one

(4-Benzyloxy-5-methoxy-2-nitro-phenyl)-[(S)-3-(bis-ethylsulfanyl-methyl)-3,4-dihydro-1H-isoquinolin-2-yl]-methanone