7,9,9'-tri-cis-neurosporene + a quinol => 9,9'-di-cis-zeta-carotene + a quinone
7,9,9'-tri-cis-neurosporene + a quinol => 9,9'-di-cis-zeta-carotene + a quinone
7,9,9'-tri-cis-neurosporene + a quinol => 9,9'-di-cis-zeta-carotene + a quinone
7,9,9'-tri-cis-neurosporene + a quinol => 9,9'-di-cis-zeta-carotene + a quinone