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 | ... HYDROPTE ... (15 elements)en (5) : DIHYDROPTERIDINE · DIHYDROPTEROATE · HYDROPTERE · PYRUVOYLTETRAHYDROPTERIN · TETRAHYDROPTEROYLGLUTAMATE fr (10) : DIHYDROPTERIDINE · DIHYDROPTEROATE · HYDROPTERE · HYDROPTERIDALE · HYDROPTERIDALES · HYDROPTERIDEES · HYDROPTERIS · TETRAHYDROPTEROYLGLUTAMATE |
 | DIHYDROPTERIDINE · DIHYDROPTEROATE · HYDROPTERIDALE · HYDROPTERIDEES · HYDROPTERIS · HYDROPTILA · HYDROPTILIDAE · HYDROPTILOIDEA · PYRUVOYLTETRAHYDROPTERIN · TETRAHYDROPTEROYLGLUTAMATE DIHYDROPTERIDINE · DIHYDROPTEROATE · HYDROPTERE · HYDROPTERIDALE · HYDROPTERIDALES · HYDROPTERIDEES · HYDROPTERIS · PYRUVOYLTETRAHYDROPTERIN · TETRAHYDROPTEROYLGLUTAMATE |
 | ... AHYDROPTE ... (3 elements) PYRUVOYLTETRAHYDROPTERIN · TETRAHYDROPTEROYLGLUTAMATE ... HYDROPTER ... (15 elements) DIHYDROPTERIDINE · DIHYDROPTEROATE · HYDROPTERE · HYDROPTERIDALE · HYDROPTERIDALES ... IHYDROPTE ... (4 elements) DIHYDROPTERIDINE · DIHYDROPTEROATE |