p. 589 - 603
(2007/10/02)p. 613 - 617
(2007/10/02)N-<(3,3-bisbenzyloxymethylcyclobut-1-yl)-aminocarbonyl>-3-methoxy-2-methyl-2-propenamide
1-amino-3,3-bis(benzyloxymethyl)cyclobutane
(E)-3-methoxy-2-methylacryloyl isocyanate
7,7-dimethyl-6,8-dioxaspiro<3.5>non-2-yl 4-bromobenzenesulfonate
2-(benzyloxy)-7,7-dimethyl-6,8-dioxaspiro<3.5>nonane