A term for the
achiral member(s) of a set of
diastereoisomers which also includes one or more
chiral members. For example:
Source:
PAC, 1996, 68, 2193
(Basic terminology of stereochemistry (IUPAC Recommendations 1996))
on page 2211
InChI=1/C4H6O6/c5-1(3(7)8)2(6)4(9)10/h1-2,5-6H,(H,7,8)(H,9,10)/t1-,2+/f/h7,9H
InChI=1/C5H12O5/c6-1-3(8)5(10)4(9)2-7/h3-10H,1-2H2/t3-,4+,5-
InChI=1/C12H8Cl2/c13-11-8-5-1-3-7-4-2-6-9(10(7)8)12(11)14/h1-6,11-12H/t11-,12+
