Vanadium pentoxide[无化] 五氧化二钒;五氧化二矾;五氧化钒;钒酸酐
Lead Pentoxide五氧化铅
trititanium pentoxide五氧化三钛
Diantimony pentoxide五氧化二锑
Columbian pentoxide五氧化二铌粉
ruthenium pentoxide五氧化二钌
tantalum pentoxide五氧化二钽;氧化钽;钽酐;[无化] 五氧化钽
Phosphorus pentoxide五氧化磷;磷酸酐;磷酐
diphosphorus pentoxide五氧化二磷
N(名词) an oxide of an element with five atoms of oxygen per molecule 五氧化物