How to use "picric" in a sentence

Sentences

'Looks like picric acid.'

'What is picric acid?'

'Dr Haydock said it was picric acid.' I then asked her the question that I had wanted to ask her for some time

I believe that picric acid explodes if you drop something heavy onto it

And remember, Vicar that you met Mr Redding carrying a large stone in that same place in the woods where you found the picric acid later.'

'Mr Redding had probably used some rope to hang the stone above the picric acid