How to merge duplicate lines into same row with primary key and more than one column of information

Question

Here is my data:

NAME1,NAME1_001,NULL,LIC100_1,NULL,LIC300-3,LIC300-6
NAME1,NAME1_003,LIC000_1,NULL,NULL,NULL,NULL
NAME2,NAME2_001,LIC000_1,NULL,LIC400_2,NULL,NUL