Synonyms: Benzoicacid, 4-hydroxy-3,5-dimethoxy-, ester with (4-hydroxybutyl)guanidine (8CI);Leonurine (7CI);Guanidine, (4-hydroxybutyl)-, 4-hydroxy-3,5-dimethoxybenzoate(8CI);Guanidine, (4-hydroxybutyl)-, 4-hydroxy-3,5-dimethoxybenzoate (ester)(8CI);4-Guanidino-1-butanol syringate;4-Hydroxy-3,5-dimethoxybenzoic acid d-guanidinobutyl ester;Leonurin;Syringic acid d-guanidinobutylester;[4-(4-Hydroxy-3,5-dimethoxybenzoyloxy)butyl]guanidine;