您要查找的是不是：
- 去甲肾上腺素noradrenalin
- 去甲环素demecycline
- 去甲杜鹃素poriol
- 去甲斑蟊素norcantharidin
- 去甲斑螫素Norcantharidin
- 去甲肾腺素Norepinephrine
- 去甲斑蝥素Norcantharidin
- 去甲虎刺素Nordamnacanthal
- 去甲黄檀素Nordalbergin
- 去甲木脂素norlignan
- 去甲血竭素nordracorhodin
- 双去甲霉素bisnorpenicillin
- 去甲肾上腺素神经noradrenergic neurons.
- 去甲灵菌红素norprodigiosin
- 去甲褶皱菌素norplicacetin
- 8-去甲杜鹃素8-demethylfarrerol
- N-去甲友菌素N-Nor-amicetine
- 去甲川陈皮素demethylnobiletin
- 去甲鬼臼脂素demethylpodophyllotoxin
- 去甲林可霉素demethyllincomycin
