The condensed formula for CH_3CH_2CH_2CH(CH_3)NH_2 is _________

1.	The condensed formula for CH_3CH_2CH_2CH(CH_3)NH_2 is _________
Answer» `CH_3(CH_2)_4NH_2` `CH_3(CH_2)_2CH(CH_3)NH_2` `CH_3(CH_2)_2CH(CH_3)NH_2` `CH_3(CH_2)_2CH-2NH_2` ANSWER :`(CH_3)_3CNH_2`

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