Isolation of an antioxidant naphthoquinone from coelomic fluid of the Antarctic Sterechinus neumayeri sea urchin - Cunha, Admilson A.; Lima, Leonardo Pereira de; Vigarelli, Hugo; Emerenciano, Andrews Krupinski; Pimenta, Daniel Carvalho; Sciani, Juliana Mozer; Silva, José Roberto Machado Cunha da (Marine Biology, 2025)