Oxybutynin (Ditropan, Lyrinel XL, Lenditro (South Africa), Uripan (Middle East)) is an anticholinergic medication used to relieve urinary and bladder difficulties, including frequent urination and inability to control urination (urge incontinence), by decreasing muscle spasms of the bladder. Also given to help with symptoms associated with kidney stones.

CAS：5633-20-5
中文别名：尿多灵;4-(二乙基氨基)丁-2-炔-1-基环己基(羟基)苯乙酸酯;
英文别名：Oxybutinin;Cystrin;Oxybutyninum;Pollakisu;4-(diethylamino)but-2-ynyl 2-cyclohexyl-2-hydroxy-2-phenylacetate;Oxybutynine;Oxybutynin;Oxytrol;Ditropan;Oxibutyninum;Oxibutinina;
分子式：C22H31NO3
分子量：357.486
精确质量：357.23
Psa：49.77
Logp：3.3429

UNII：K9P6MC7092

外观与性状：白色至灰白色结晶粉末
密度：1.097 g/cm3
沸点：494.4ºC at 760 mmHg
熔点：125 - 130ºC
闪点：252.8ºC

海关编码：2922509090