1-chloro-2-formyl-4-oxa-3,4-dihydrophenanthrene
(12H-11-oxa-17-thia-15-aza-cyclopenta[a]phenanthrene-16-yl)-hydrazine
3-Bromo-4-oxo-2,3-dihydro-4H-naphtho<1,2-b>pyran
N-(3-benzoyl-2H-benzo[h]chromen-4-yl)acetamide
benz<3,4>-6-oxaestra-1,3,5(10),8-tetraen-17β-ol