Synonyms: 2H,5aH-Bisoxireno[e,h]-1-benzopyran-6(6aH)-one,3-(acetyloxy)tetrahydro-2,2-dimethyl-6a-(3-methyl-3-buten-1-ynyl)-,(3R,4aR,5aS,6aS,7aS,7bS)- (9CI);2H,5aH-Bisoxireno[e,h]-1-benzopyran-6(6aH)-one,3-(acetyloxy)tetrahydro-2,2-dimethyl-6a-(3-methyl-3-buten-1-ynyl)-, [3R-(3a,4aR*,5aa,6aa,7aa,7bb)]-; Oxirapentyn; Oxirapentyne