title: Action of pederine on ascidian eggs.
mesh_terms: D000818:Animals; D002459:Cell Fusion / Q000187:drug effects; D005260:Female; D010063:Ovum / Q000187:drug effects*; D011714:Pyrans / Q000494:pharmacology*; D014561:Urochordata / Q000196:embryology*
chemical_list: D011714:Pyrans