The molecule is an ent-kaurane diterpenoid that is ent-kaur-16-en-19-oic acid carrying an additional 7alpha-hydroxy substituent. It is a conjugate acid of an ent-7alpha-hydroxykaur-16-en-19-oate.
(1R,2S,4S,5R,9S,10S,13R)-2-hydroxy-5,9-dimethyl-14-methylidenetetracyclo[11.2.1.01,10.04,9]hexadecane-5-carboxylic acid