{HEAD ~ This invention} relates to nonsteroidal 5 cycloalkenyl 5H chromenoquinoline derivatives that may be modulators of progesterone receptors and to methods for the making and {TAIL ~ use} of such compounds 
relates to
{ HEAD ~ This invention } relates to nonsteroidal 5 cycloalkenyl 5H chromenoquinoline derivatives that may be modulators of progesterone receptors and to methods for the making and { TAIL ~ use } of such compounds
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