CH3(CH2)3CH3 C5H12 C6H3Me3 C9H12 2Cu[NH3]4(NO3)2 Cu2H24N12O12 2C(C[C5]4)3 C152 2C(C(C(C)5)4)3 C152 C 1 0 H 2 2 C10H22 CH3Br CH3Br CH3.1Br0.9 CH4Br 1.5H2O H3O2 H(CH2)3.5H C4H9