Acetic acid (S)-1-[2-benzoylamino-5-methoxy-4-(toluene-4-sulfonyloxy)-benzoyl]-5-bromomethyl-pyrrolidin-3-yl ester
3-methoxy-4-(phenylmethoxy)benzaldehyde
4-(benzyloxy)-5-methoxy-2-nitrobenzoic acid
4-(benzyloxy)-3-methoxybenzoic acid
benzoyl chloride