Synonyms: b-Carotene, 5,6-epoxy-5,6-dihydro-(7CI); b-Carotene,5,6-epoxy-5,6-dihydro-, all-trans- (8CI); 7-Oxabicyclo[4.1.0]heptane, b,b-carotene deriv.; 5,6-Dihydro-b,b-carotene 5,6-epoxide; 5,6-Epoxy-5,6-dihydro-b,b-carotene; 5,6-Epoxy-b-carotene; 5,6-Monoepoxy-b-carotene; Monoepoxy-b-carotene; b,b-Carotene-5,6-epoxide; b-Carotene 5,6-epoxide; b-Carotene 5,6-monoepoxide; b-Carotene monoepoxide