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STUDIES ON ANTIASTHMATIC AGENTS——Ⅰ.SYNTHESES OF SOME ANTIASTHMATIC 4-OXO-4H-1-BENZOPYRAN-3-CARBOXALDEHYDES AND
TRANSM
-3-(4’-OXO-4’H-1’-BENZOPYRAN-3’)ACRYLIC ACIDS
KU KUEN-CHIEN, HSI KUO-LIANG, KOH SHIU-YU, TANG TSAI-FANG, CHANG HUNG-LIANG
Acta Chimica Sinica . 1976, (
2
): 123 -128 .
