5-(4-methoxyphenyl)-5,6,7,8-tetrahydrochroman
5-phenyl-5,6,7,8-tetrahydrochroman
5-(phenylsulfonyl)-5,6,7,8-tetrahydrochroman
(3S,6S)- and (3R,6R)-3-(3,5-dinitrobenzoyloxy)-1,7-dioxaspiro<5.5>undecan
(3S,6R)- and (3R,6S)-3-(3,5-dinitrobenzoyloxy)-1,7-dioxaspiro<5.5>undecan