释义 |
pro·pio·lactone \|prōpēō+\ noun or pro·pi·ono-lactone \|prōpē|änō, -|ōnō+\ Etymology: propiolactone International Scientific Vocabulary propion- + lactone; propiono-lactone from propion- + lactone : a liquid beta-lactone C3H4O2 made by condensation of ketene and formaldehyde |