Figure 3

Experimental ECD spectra of compounds (+)-1/(−)-1, (+)-2/(−)-2, (+)-3/(−)-3 and (+)-4/(−)-4 and calculated ECD spectra of 8S/8R of 1–4.

Experimental ECD spectra of compounds (+)-1/(−)-1, (+)-2/(−)-2, (+)-3/(−)-3 and (+)-4/(−)-4 and calculated ECD spectra of 8S/8R of 1–4.