3-(3-nitrophenyl)-3a,4,5,9b-tetrahydrobenzo[g][1,2]benzoxazole

1-(3-nitrophenyl)-3a,4,5,9b-tetrahydrobenzo[e][1,2]benzoxazole

3-(4-bromophenyl)-3a,4,5,9b-tetrahydrobenzo[g][1,2]benzoxazole

1-(4-bromophenyl)-3a,4,5,9b-tetrahydrobenzo[e][1,2]benzoxazole

3-(2,4,6-trimethylphenyl)-3a,4,5,9b-tetrahydrobenzo[g][1,2]benzoxazole