Two left that I am unsure about :::
Thankx (in outlandish style) for yellow stuff X??????. I can only make XANTHAN but XANTHIC is yellow.
Elizabeth wrote good about the Guardian. I have B?W?N but can't get the rest.
Thanks Kayakamina. Actually its XANTHIN not ZANTHIN, as it must start with a X. Its seems there are more thanks one way of describing Xanthates. Its getting to require a chemistry degree to complete these crosswords recently ! Thanks god for Wiki !