5 cycloalkenyl 5H chromenoquinoline {TAIL ~ derivatives} as {HEAD ~ selective progesterone receptor modulator compounds} 
5 cycloalkenyl 5H chromenoquinoline { TAIL ~ derivatives } as { HEAD ~ selective progesterone receptor modulator compounds }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD