different; other.
isomeric; especially, of amino acids having two chiral centres, the second diastereoisomer to be discovered or synthesized
a diastereomer having the same configuration on four neighboring chiral carbon atoms as carbohydrate allose
nonself; nonself but of the same species.
variant.
Relating to strangers or strangeness.
From a foreign place.
Having to do with foreigners.
From a donor of another species.
Of extraterrestrial origin.