00000nz  a2200000n  4500
001  KSH1998020357
005  20021007171430
008  980429 n azknn|abn          |a a|a    | 
150  ▼a히드록시산[--酸]▲
450  ▼a옥시카르본산[--酸]▲
450  ▼wr▼i영어▼ahydroxycarboxylic acid▲
550  ▼wg▼a유기산[有機酸]▲
550  ▼wh▼a구연산[枸椽酸]▲
550  ▼wh▼a벤질산[--酸]▲
550  ▼wh▼a세린[serine]▲
550  ▼wh▼a아자세린▲
550  ▼wh▼a젖산[--酸]▲
550  ▼wh▼a타르타르산[--酸]▲