13,19-DIDEHYDRO-12,18-DIHYDROXYSENECIONAN-11,1*- 13,19-Didehydro-12,18-dihydroxysenecionan-11,16-dione 23246-96-0 CCRIS 4712 HSDB 7147 Riddeliin Riddeliine Riddeline Riddelliine Riddelline Senecionan-11,16-dione, 13,19-didehydro-12,18-dihydroxy- (9CI)