1.7.5.1 0.057 - 2-hydroxy-3-(3-methyl-2-butenyl)-1,4-naphthoquinol pH 7 696079 1.7.5.1 0.147 - 5-hydroxy-2-methyl-naphthalene-1,4-diol pH 7.0 674425 1.7.5.1 0.282 - 5-hydroxy-2-methyl-1,4-naphthoquinol pH 7 696079 1.7.5.1 0.5 - nitrate - 697691 1.7.5.1 3.9 - nitrate cosubstrate: benzyl viologen 697689