phomoidride A + S-adenosyl-L-methionine <=> (-)-phomoidride B + methanol + S-adenosyl-L-homocysteine + H(+)
phomoidride a + s-adenosyl-l-methionine <=> (-)-phomoidride b + methanol + s-adenosyl-l-homocysteine + h(+)
phomoidride A + S-adenosyl-L-methionine <=> (-)-phomoidride B + methanol + S-adenosyl-L-homocysteine + H(+)
phomoidride a + s-adenosyl-l-methionine <=> (-)-phomoidride b + methanol + s-adenosyl-l-homocysteine + h(+)