00000nz  a2200000n  4500
001  KSH2000028554
005  20000512000605
008  000512 n azknn|abn          |a a|a    | 
150  ▼a무극성 분자[無極性分子]▲
450  ▼wr▼i영어▼anonpolar molecule▲
550  ▼wg▼a분자(물리학)[分子]▲