阿摩線上測驗
12. Compound A: M+
= 86, IR absorption: 3400 cm-1, 13C NMR spectral data: Broadband-decoupled 13C NMR: δ 30.2, 31.9, 61.8, 114.7, 138.4,
DEPT-90: δ138.4; DEPT-135: δ138.4, negative peaks at δ 30.2, 31.9, 61.8, 114.7. What is the structure of compound A? 
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統計： A(0), B(8), C(8), D(5), E(0) #941836
統計： A(0), B(8), C(8), D(5), E(0) #941836
