I am amazed that (a) you have kept my letters of 24 years ago and (b) you would wish posterity to be able to read my deathless
prose. Of course, I gladly give you permission to deposit my letters wherever you feel they ought to be put . . . . .
No, I have not thought about ClCH2CO2 minus since then: I have been promoted from C2- to C6-compounds since then!