preferred_name: a fatty acid + S-adenosyl-L-methionine => a fatty acid methyl ester + S-adenosyl-L-homocysteine
preferred_name_lc: a fatty acid + s-adenosyl-l-methionine => a fatty acid methyl ester + s-adenosyl-l-homocysteine
label: a fatty acid + S-adenosyl-L-methionine => a fatty acid methyl ester + S-adenosyl-L-homocysteine
label_lc: a fatty acid + s-adenosyl-l-methionine => a fatty acid methyl ester + s-adenosyl-l-homocysteine