3,4-dihydroxybenzaldehyde + tyramine + AH2 => norbelladine + A + H2O
3,4-dihydroxybenzaldehyde + tyramine + ah2 => norbelladine + a + h2o
3,4-dihydroxybenzaldehyde + tyramine + AH2 => norbelladine + A + H2O
3,4-dihydroxybenzaldehyde + tyramine + ah2 => norbelladine + a + h2o