preferred_name: 5,10-methenyl-5,6,7,8-tetrahydromethanopterin + H2 <=> 5,10-methylenetetrahydromethanopterin + H(+)
preferred_name_lc: 5,10-methenyl-5,6,7,8-tetrahydromethanopterin + h2 <=> 5,10-methylenetetrahydromethanopterin + h(+)
label: 5,10-methenyl-5,6,7,8-tetrahydromethanopterin + H2 <=> 5,10-methylenetetrahydromethanopterin + H(+)
label_lc: 5,10-methenyl-5,6,7,8-tetrahydromethanopterin + h2 <=> 5,10-methylenetetrahydromethanopterin + h(+)