【化】 methylhydrazine sulfate
vitriol
【化】 spirit of alum; sulfuric acid
【医】 oil of vitriol; sulfuric acid; vitriol; vitriolic acid
armour; first; nail; shell
【医】 carapace; concha; conchae; helo-; nail; onycho-; onyx
hydrazine
【化】 diazane; hydrazine
【医】 hydrazine