(S)-5,6,7,8-四氢-5-氧代咪唑并[1,5-c]嘧啶-7-甲酸甲酯

4-benzyl-4-methyl-5-methylidene-1,3-dioxolan-2-one

1-羟基环己烷丙酸 gamma-内酯

[diphenyl(triphenylsilyl)silyl]formic acid

tris(trimethylsilyl)silylformic acid