重氮甲烷

(2S,3S)-3,4-epoxy-2-(3-methoxy-5-methyl-1-naphthoyloxy)-3-methylbutanamide

(3S,4S)-4-(benzyloxy)-4-methyl-2-oxotetrahydrofuran-3-yl 3-methoxy-5-methyl-1-naphthoate

(2S,3S)-1-amino-3-(benzyloxy)-4-hydroxy-3-methyl-1-oxobutan-2-yl 3-methoxy-5-methyl-1-naphthoate