Wiktionary英语词典
收录 1,329,381 个英语单词，来自Wiktionary的英文释义、IPA发音、词源、词形变化和词汇关系数据
P开头单词
(共111,203个)
plural of pyrrolidinyloxy
An opioid analgesic drug from the thiambutene family.
any of a class of heterocyclic ketones derived from a pyrrolidine; especially 2-pyrrolidone, the sim...
Alternative form of pyrrolidone carboxylic.
plural of pyrrolidone
A univalent radical derived from pyrrolidone
Any of three isomeric monounsaturated heterocycles having a five-membered ring and one nitrogen atom...
plural of pyrroline
A cyclic ketone formally derived from 2-pyrroline
plural of pyrrolinone
pyrrolizidine
英 /pɪɹəʊˈlɪzəˌdiːn/|/pɪɹəʊˈlɪzəˌdaɪn/
Any of a class of alkaloids, found in many plants, that are hepatotoxic.
A disease caused by chronic poisoning from ingesting plants that contain pyrrolizidine alkaloids.
plural of pyrrolizidine
A bicyclic heterocycle consisting of a pyrrole ring fused to that of pyrrolidine
plural of pyrrolizine
An antifungal antibiotic.
A functional group consisting of a pyrrole ring fused onto another part of the molecule.
A class of compounds with antibiotic and anti-tumor properties.
plural of pyrrolobenzodiazepine
Any of several isomeric tetracyclic heterocycles composed of a pyrrole ring fused to a carbazole moi...