"2,6-Diazaspiro[3.3]heptane-2-carboxylic acid tert-butyl ester hemioxalate "
"2,6-Diazaspiro[3.3]heptane-2-carboxylic acid tert-butyl ester hemioxalate "
"2,6-Diazaspiro[3.3]heptane-2-carboxylic acid tert-butyl ester hemioxalate "
"2,6-Diazaspiro[3.3]heptane-2-carboxylic acid tert-butyl ester hemioxalate "
2-Boc-2,6-二氮杂螺[3.3]庚烷草酸盐