preferred_name: erythromycin D + S-adenosyl-L-methionine => erythromycin B + S-adenosyl-L-homocysteine + H(+)
preferred_name_lc: erythromycin d + s-adenosyl-l-methionine => erythromycin b + s-adenosyl-l-homocysteine + h(+)
label: erythromycin D + S-adenosyl-L-methionine => erythromycin B + S-adenosyl-L-homocysteine + H(+)
label_lc: erythromycin d + s-adenosyl-l-methionine => erythromycin b + s-adenosyl-l-homocysteine + h(+)