Synonyms: 2H-Oxocin-2-methanol,7-bromo-8-ethyl-3,6,7,8-tetrahydro-a-(2E)-2-penten-4-ynyl-, acetate, (aR,2R,7S,8R)- (9CI); 2H-Oxocin-2-methanol,7-bromo-8-ethyl-3,6,7,8-tetrahydro-a-2-penten-4-ynyl-, acetate, (E)-(aR,2R,7S,8R)- (8CI); 2H-Oxocin-2-methanol,7-bromo-8-ethyl-3,6,7,8-tetrahydro-a-2-penten-4-ynyl-, acetate, [2R-[2a[R*(E)],7b,8a]]-; Laurencin (7CI);(+)-Laurencin; NSC 122763