Eosinophils 发表于 2025-3-25 06:05:23
Ovidiu Furduiar when an alkyl chain is the substituent. They include a vibration near 1070 cm., which is given the general assignment δ′(chain)?. The question mark indicates that it is an unknown group frequency. If a methyl group is present, a band near 1150 cm. is found, and this is assigned as δ′(CH.)?. If tw破译 发表于 2025-3-25 10:15:29
http://reply.papertrans.cn/59/5863/586209/586209_22.png向下 发表于 2025-3-25 15:12:07
ar when an alkyl chain is the substituent. They include a vibration near 1070 cm., which is given the general assignment δ′(chain)?. The question mark indicates that it is an unknown group frequency. If a methyl group is present, a band near 1150 cm. is found, and this is assigned as δ′(CH.)?. If tw吼叫 发表于 2025-3-25 19:38:38
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