Related Clues:

• 'Purple haze'
• Decathlons drop cheat on synthetic drug
• It may have been dropped at Woodstock
• Zantac target
• ___ wash jeans
• Substance with pH of less than 7
• What lemon adds to a dish, in food lingo
• Agent of psychedelic therapy
• Vinegar, essentially
• Fuel for some trips?
• Illegal "acid"
• See 9 Across
• Acid in the '60s
• The 'A' in RNA
• Parietal cell secretion