(±)-O-benzyllaudanidine

(±)-O-(triisopropylsilyl)laudanidine

1-(3-benzoyloxy-4-methoxy-benzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydro-isoquinoline

5-(1,3-dithian-2-yl)-2-methoxyphenol

4'-O-methyllaudanosoline