Compounds of ヒ酸

• ヒ酸
  (n) arsenic acid
• 亜ヒ酸
  (n) (1) arsenious acid
  arsenous acid (H3AsO3)
  (2) col
  arsenic trioxide
  white arsenic (As2O3)
• 無水亜ヒ酸
  (n) (obsc) arsenic trioxide
  white arsenic (As2O3)