A few I am having trouble parsing - can anyone explain these please? I can see the definitions but not the wordplay.
13a Deny top claims represented a concern for investors(6,7). I have LISTED COMPANY.
21d Lizard in Ceylon, perhaps, existing on energy in fruit(9). I have CHAMELEON.
53a Bleak wind from the south and east(7). I have AUSTERE.
All help gratefully received, thanks.