Dataset {
    Structure {
        Int32 a_name;
        Float32 b_name;
        Float64 c_name;
    } /dset1[6];
    Structure {
        Int32 int_name;
        Float32 float_name;
    } /group1/dset2[6];
    Structure {
        Int32 int;
        Float32 float;
    } /group1/dset4[6];
    Structure {
        Int32 int;
        Float32 float;
    } /group2/dset5[6];
} tcompound2.h5;