(14-alpha)-13-Hydroxykaur-16-en-18-oic acid 471-80-7 CCRIS 2588 Hydroxydehydrostevic acid KAUR-16-EN-18-OIC ACID, 13-HYDROXY- Kaur-16-en-18-oic acid, 13-hydroxy-, (14-alpha)- (9CI) Kaur-16-en-18-oic acid, 13-hydroxy-, (4alpha)- (9CI) NSC 226902 Steviol