(3R)-3-hydroxy-16-methoxy-2,3-dihydrotabersonine + S-adenosyl-L-methionine = deacetoxyvindoline + S-adenosyl-L-homocysteine + H(+)
(3r)-3-hydroxy-16-methoxy-2,3-dihydrotabersonine + s-adenosyl-l-methionine = deacetoxyvindoline + s-adenosyl-l-homocysteine + h(+)
(3R)-3-hydroxy-16-methoxy-2,3-dihydrotabersonine + S-adenosyl-L-methionine = deacetoxyvindoline + S-adenosyl-L-homocysteine + H(+)
(3r)-3-hydroxy-16-methoxy-2,3-dihydrotabersonine + s-adenosyl-l-methionine = deacetoxyvindoline + s-adenosyl-l-homocysteine + h(+)