Want to identify enhanced fields in table level.

Hi All,

I want to know how many fields are enchanced along with the LO Extraction. I found there are 4 standard tables related to LO. But these tables are not giving the Custom fields enchanced along with the Standard LO Data sources. Please help. Checked the below tables related to LO. But unable to find all the encahanced fields in the below tables.

TMCEXCFS: 

TMCEXCFZ

TMCEXEVE

TMCEXACT

Thanks.