(R)-(+)-4-(羟甲基)-2-噁唑烷酮苯酸

naphthalen-1-yl N-benzoylcarbamate

6-methyl-2-phenyl-1,3-oxazin-4-one

1-异氰酰基-2,2-二甲基丙烷

异氰酸异丙酯