... 2 B 7:3 4!4 C::< A B 3.1 3:l 3: 1 ') In the E.xprr. Purr we specify the relative configurations of our racemic mixtures by the notation [II] which represents R* R* by 'like' as (I) and R* S* by 'unlike' as (11). Page 4. HELVETICA CHIMICA ACTA Vol. 66, Fasc. 7 (1983) - Nr. 230 2333 ...