Related Clues:

• The North gets only this material bit
• Does this throw any light on what's synthetic?
• The stuff that only comes at the end
• This might throw some light on what's synthetic
• Thus is the North only synthetic
• It's only to the North that it's not natural
• One gets the thread of this only south of the North
• It's all very fine to get this in a can
• Is the North only a mixture that's synthetic?
• It's only synthetic next to the North
• The North only makes stuff like this
• It's all very fine to get home at the weekend
• The North can only produce this synthetically
• Never stood out for such fine stuff
• Being synthetic, it's made of only Nitrogen