preferred_name: rifamycin SV + S-adenosyl-L-homocysteine + H(+) => 27-O-demethylrifamycin SV + S-adenosyl-L-methionine
preferred_name_lc: rifamycin sv + s-adenosyl-l-homocysteine + h(+) => 27-o-demethylrifamycin sv + s-adenosyl-l-methionine
label: rifamycin SV + S-adenosyl-L-homocysteine + H(+) => 27-O-demethylrifamycin SV + S-adenosyl-L-methionine
label_lc: rifamycin sv + s-adenosyl-l-homocysteine + h(+) => 27-o-demethylrifamycin sv + s-adenosyl-l-methionine