preferred_name: neomycin C + AH2 + S-adenosyl-L-methionine = neomycin B + 5'-deoxyadenosine + L-methionine + A + H(+)
preferred_name_lc: neomycin c + ah2 + s-adenosyl-l-methionine = neomycin b + 5'-deoxyadenosine + l-methionine + a + h(+)
label: neomycin C + AH2 + S-adenosyl-L-methionine = neomycin B + 5'-deoxyadenosine + L-methionine + A + H(+)
label_lc: neomycin c + ah2 + s-adenosyl-l-methionine = neomycin b + 5'-deoxyadenosine + l-methionine + a + h(+)