p. 351 - 356
(2007/10/02)p. 481 - 484
(2007/10/02)1,1-dimethyl 2-ethylcyclopropane-1,1-dicarboxylate
(1SR,3SR,6S)-1-Ethyl-3,6-dihydro-6-isopropyl-5,8-dimethoxy-4,7-diazaspiro<2.5>octane
Potassium; (1R,2S)-2-ethyl-1-methoxycarbonyl-cyclopropanecarboxylate
2-ethylcyclopropane-1,1-dicarboxylic acid di-tert-butyl ester
3-Azido-4-ethyl-4,5-dihydro-3H-pyrazole-3-carboxylic acid methyl ester