i have heard about NH686 i think groenstens aircraft was chased by marquardt but hit the debris and crashedPotential Mk XIV losses to 109D-9s, listed by serial number from Caygill. I've excluded everything listed as accident, flak or other circumstances. Total is 19 aircraft. I don't have the spare time at the moment to look up all of the losses, but there are plenty of databases online:
RM765 - Confirmed by Caygill as 'Shot down by FW 190D of JG 26 near Munster'
Unidentified 610 Squadron aircraft shot down during armed recce on 09 Feb 1945
RM750 - Likely 190D loss, reported by Claygill as 'Shot down by JG 26'
RB 185 - Confirmed by Foreman as a loss to F