4.2.1.139	2',7-dihydroxy-4'-methoxyisoflavanol dehydratase, 7,2'-dihydroxy-4'-methoxyisoflavanol dehydratase, 7,2-dihydroxy-4-methoxyisoflavanol dehydratase, DMI dehydratase, DMID, EC 1.1.1.246, medicarpan synthase, medicarpin synthase