2-but-3-en-2-ylsulfonylnaphthalene

acetic acid,4-but-2-enylnaphthalene-1,2-diol

acetic acid,4-but-3-en-2-ylnaphthalene-1,2-diol

Acetic acid 2-acetoxy-4-((E)-but-2-enyl)-naphthalen-1-yl ester

(3-acetyl-2-acetyloxy-4-but-2-enylnaphthalen-1-yl) acetate