成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

?
sci
hub
對(duì)所有人的知識(shí)
((alipay))
Barrett, A. G. M., Hamprecht, D., & Ohkubo, M. (1997). Dess?Martin Periodinane Oxidation of Alcohols in the Presence of Stabilized Phosphorus Ylides:? A Convenient Method for the Homologation of Alcohols via Unstable Aldehydes. The Journal of Organic Chemistry, 62(26), 9376–9378. doi:10.1021/jo971569u 
10.1021/jo971569u