mifepristone, molecule. it is progestational, glucocorticoid hormone antagonist, emergency contraceptive agent. structural

mifepristone abortion pregnancy emergency contraceptive nitrogen progestational glucocorticoid abortifacient antiandrogen antiprogestogen hormone cushing mifepriston hypercortisolism progesterone drawing flat icon hydrogen carbon oxygen organic chemistry structural formula atomic molecule structure chemical atom molecular vector molecule antagonist agent model