(S)-1-(1,4-dimethoxy-5,8-dioxo-5,8-dihydronaphthalen-2-yl)-4-methylpent-3-en-1-yl 2-fluorobenzoate

(S)-5,8-dimethoxy-6-(1-methoxy-4-methylpent-3-en-1-yl)naphthalene-1,4-dione

(S)-6-(1-ethoxy-4-methylpent-3-en-1-yl)-5,8-dimethoxynaphthalene-1,4-dione