32990-23-1
5-butoxy-3-(trifluoromethyl)-4,5-dihydro-1,2-oxazole
→
32990-29-7
3-(Trifluoromethyl)-1,2-oxazole
32990-22-0
5-ethoxy-3-trifluoromethyl-4,5-dihydro-isoxazole