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10 points
ISOLOGUES is validvalid
ISOLOGUE, a type of chemical compound [n]
ISOLOGUE, an organic compound with similar molecular structure to another but containing different atoms of the same valency, also ISOLOG [n]
ISOLOGUE, a type of chemical compound [n]
ISOLOGUE, an organic compound with similar molecular structure to another but containing different atoms of the same valency, also ISOLOG [n]