2156656-87-8 | 3-(羟甲基)-1-氧杂-2,8-二氮杂螺[4.5]癸-2-烯-8-羧酸叔丁酯

tert-butyl 3-(hydroxymethyl)-1-oxa-2,8-diazaspiro[4.5]dec-2-ene-8-carboxylate