4-(1,2,3,4-tetrahydrophenanthren-1-yl)butanoic acid

(NE)-N-(3,4-dihydro-2H-phenanthren-1-ylidene)hydroxylamine

10,11-dihydronaphtho[1,2-g][1,2]benzoxazole

6,11-dihydro-5H-naphtho[2,1-a]carbazole

2-hydroxyimino-3,4-dihydrophenanthren-1-one