18-Hydroxyrenardine 18-Hydroxysenkirkine 26782-43-4 8,12,18-Trihydroxy-4-methyl-11,16-dioxosenecionanium HSDB 3493 HYDROXYSENKIRKINE Hydroxysenkirkine (conjugate acid) Senecionanium, 8,12,18-trihydroxy-4-methyl-11,16-dioxo- Senkirkine, hydroxy- trans-15-Ethylidene-12beta-hydroxy-12alpha-hydroxymethyl-4,13beta-dimethyl-8-oxo-4,8-secosenec-1-enine