preferred_name: polysulfur(n-2) + n a quinol => n a quinone + n hydrogen sulfide + n H(+)
preferred_name_lc: polysulfur(n-2) + n a quinol => n a quinone + n hydrogen sulfide + n h(+)
label: polysulfur(n-2) + n a quinol => n a quinone + n hydrogen sulfide + n H(+)
label_lc: polysulfur(n-2) + n a quinol => n a quinone + n hydrogen sulfide + n h(+)