(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-hydroxymethyl-3,4-dihydro-1H-isoquinoline-2-carboxylic acid benzyl ester

(S)-2-(4-Benzyloxy-5-methoxy-2-nitro-benzoyl)-1,2,3,4-tetrahydro-isoquinoline-3-carbaldehyde

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