After the C-1 variant (ref. AZ-7411 & AZ7412 - http://www.azmodel.cz/product_info.php?cPath=27&products_id=653 & http://www.azmodel.cz/product_info.php?products_id=654) AZ Model has just released a 1/72nd Gotha P.60 C-6 "Raptor" kit - ref.AZ7492
Sources:
http://www.azmodel.cz/product_info.php?cPath=27&products_id=758
http://modelweb.modelforum.cz/2015/03/20/novinky-az-model-na-brezen-2015/
V.P.