前列地尔，又称前列腺素E1，英文名称:PROSTAGLANDIN E1 ，英文别名:ALPROSTADIL; Prostaglandin E1 or AIPROSTADIL; Alprostadil (prostandin E1); 11,15-dihydroxy-9-oxoprost-13-en-1-oic acid; (11alpha,15S)-11,15-dihydroxy-9-oxoprost-13-en-1-oic acid; (11alpha,12xi,13E,15S)-11,15-dihydroxy-9-oxoprost-13-en-1-oic acid; (11alpha,13