Synonyms: 2(3H)-Furanone,dihydro-3-(2-oxopropyl)-5-[5-[(2R,5S)-tetrahydro-5-[(1S,4R,5R,8Z)-1,4,5-trihydroxy-8-heneicosenyl]-2-furanyl]pentyl]-,(3S,5R)- (9CI); 2(3H)-Furanone,dihydro-3-(2-oxopropyl)-5-[5-[tetrahydro-5-(1,4,5-trihydroxy-8-heneicosenyl)-2-furanyl]pentyl]-,[2R-[2a(3S*,5R*),5b(1S*,4R*,5R*,8Z)]]-;2,4-cis-Gigantetroneninone