a simple can be chemically separated into the antler that it is made of
exon_chemical_structure is nucleic_acid_sequence. anthrone is not chemical_compound. anthrone is chemical_compound. antheraxanthin is not chemical_compound. exon_chemical_structure is not nucleic_acid_sequence. rubrene is chemical_compound. spermine is not chemical_compound. chemical_object is exanimate_thing. rubrene is not chemical_compound. ecdysone is not chemical_compound.