Related Clues:

• Sour or bitter in taste
• Fruit-filled pastry
• Etching agent
• Like some apples
• Ascorbic or sulphuric
• LSD, colloquially
• Alkali neutralizer
• Corrosive liquid
• Hallucinogenic drug
• Hydrochloric ___
• Folic, for one
• Baked dessert
• Fruit pie
• Etching liquid
• Rock genre