?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=M%C3%A1rton&rft.aulast=H%C3%A1znagy&rft.au=+H%C3%A1znagy+M%C3%A1rton&rft.title=Preparation+and+investigation+of+ecdysteroid+-+cinnamic+acid+hybrid+compounds&rft.date=2021&rft.genre=proceeding