Synonyms: 2,3,5,7a-Tetrahydro-1,7a-dihydroxy-7-(hydroxymethyl)-4-methyl-1H-pyrroliziniumhydroxide, inner salt, cyclic diester with senecic acid (7CI);4,8-Secosenecionan-8,11,16-trione, 12-hydroxy-4-methyl-;2,9-Dioxa-14-azabicyclo[9.5.1]heptadec-11-ene-3,8,17-trione,4-ethylidene-7-hydroxy-6,7,14-trimethyl-, [1R-(1R*,4Z,6R*,7R*)]-; NSC 89945;Renardin; Renardine; Renardine (neutral); Senkirkin; Senkirkine; Senkirkine(neutral)