2-Oxepanone, polymer with 1,1-methylenebis4-isocyanatocyclohexane and 2,2-oxybisethanol
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2-Oxepanone, polymer with 1,1-methylenebis4-isocyanatocyclohexane and 2,2-oxybisethanol;DMDI, epsilon caprolactone, diethylene glycol polymer
苯磺酸,对-溴-,肼
2-氨基-4-(4-甲氧苯基)-5-甲基噻吩-3-甲腈
stemmadenine 10012-73-4