https://www.chem.ubc.ca/spirastrellolides-c-g-macrolides-obtained-marine-sponge-spirastrella-coccinea
Spirastrellolides C to G: Macrolides obtained from the marine sponge Spirastrella coccinea | UBC...
c to g
https://species.wikimedia.org/wiki/Spirastrella_hartmani
Spirastrella hartmani - Wikispecies
wikispecies