标签：#Nitroethenes

雷尼替丁

{{Infobox drug | image = Ranitidine.svg | image_class = skin-invert-image | width = 250 | alt = | image2 = File:Ranitidine-A-3D-balls.png | image_class2 = bg-transparent | alt2 = | JAN = ranitidine hydrochloride | pronou…