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Thank-you all for contributing this week. I thought the word choice was tough but you have lived up to the challenge. I enjoyed reading through the clues and have the following short list, all of which are worthy.

Baccy #22 Baccy's within easy reach of a fantasy (7)

Mattrom #21 Setter's bitten by expensive French/American crossbreed (7)

Paul #18 Tea I'm hesitating to swallow might cause hallucination (7)

Darla #16 Toll of the bell for sun god and mythical beast (7)

Paul #9 Troubled Crimea getting hot? It's a nightmare! (7)

Jono #7 Might this creature emerge from metaphorical transformation accompanied by Plato? (7)

So a tough choice....

Bronze to Baccy #22
Silver to Jono #7 very close to
Gold for Mattrom #21

Thanks to Jimmygtal a lesson in chirality:-

https://www.youtube.com/watch?v=JS-iAuCIexk&ab_channel=LydiaFlynn

Congrats Mattrom, Thanks all.

Thanks Dorrien, appreciate the silver, enjoyed the challenge and I always enjoy where certain words take you. The clip was a new concept for me. Congrats Mattrom!

Well done Mattrom!
Enjoyed the challenge Dorrien ... and the interesting clip.

Congrats mattrom and thanks dorrien.
Very important chiral molecules are nearly all the alpha-amino acids that make up proteins in living things. I wish I could draw the structures, but this will have to do:
R.CH(NH2)COOH
The R is a side group. The carbon atom thus has 4 different groups attached, unless the side group is H, as in the simplest example, glycine - this isn't chiral.

Well done Mattrom and cheers Dorrien! Didn’t think I had a ghost of a chance…

Well done mattrom, and many thanks, dorrien, for hosting (and the bronze!).

Chirality eh? There are more things in heaven and earth than are dreamt of . . .

Thank you, Dorrien, for the challenge, the gold, and my prize. I thought it was a good word choice, and I've learnt something new. Till next week ...

Well done mattrom. Thanks for hosting dorrien. Glad the chirality stimulated some interest. Very important piece of chemistry when synthesising drugs.

jimmygtal
Yes indeed. The thalidomide tragedy was a result of using the wrong enantiomer.