The molecule is an optically active form of versiconal hemiacetal having 2S,3S-configuration. It is a conjugate acid of a (2S-3S)-versiconal hemiacetal(1-).
(2S,3S)-2,4,6,8-tetrahydroxy-3-(2-hydroxyethyl)-2,3-dihydronaphtho[2,3-f][1]benzofuran-5,10-dione