螺烷 的英文怎麼說
中文拼音 [luówán]
螺烷
英文
spirane-
Diazaspiro [ 4. 4 ] nonane was synthesized from malononitrile as the starting material by a series of nucleleophilic displacement, hydrolytic cyclization and carbonyl reduction
摘要以丙二腈為原料,經過親核取代、水解環合、羰基還原系列反應,合成了2 , 7 -二氮螺[ 4 . 4 ]壬烷。Compound two stage propane screw compressor unit
單機雙級丙烷螺桿壓縮機組
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