eflornithine molecule, structural chemical formula, ball-and-stick model, image vaniqa

eflornithine vaniqa african trypanosomiasis molecule molecular structure chemical formula isolated model c6h12f2n2o2 atom chemistry drug atomic skeletal cream hair enzyme brucei decarboxylase dfmo difluoromethylornithine eflornithin hirsutism odc ornithine putrescine trypanosoma hydrogen compound flat carbon facial oxygen science drawing structural icon organic sleeping sickness growth trypanocidal composition ball- -stick image ball- -stick vaniqa