Related Clues:

• ___ acid (protein building block)
• (Protein constituent) acid
• Minor insult; slim
• Pertaining to boron
• Aren't I almost sort of acid?
• Common type of acid
• Very corrosive acid type
• acid
• __ acid (antiseptic)
• Kind of acid used in fireproofing
• Important acid
• - - oxide, colourless slightly soluble gas
• Citrin (anag.)
• - - acids
• A mostly unimportant sort of acid