α-(1-Butynyl)-α-hydroxybenzeneacetic acid 3-quinuclidinyl ester
α-(1-Butynyl)-α-hydroxybenzeneacetic acid 3-quinuclidinyl ester ??
??
α-(1-Butynyl)-α-hydroxybenzeneacetic acid 3-quinuclidinyl ester C??? ??, ??, ??
α-(1-Butynyl)-α-hydroxybenzeneacetic acid 3-quinuclidinyl ester ?? ?? ? ???
???
?? ??
α-(1-Butynyl)-α-hydroxybenzeneacetic acid 3-quinuclidinyl ester ?? ??
???( 0)?? ??