Table:
text: S3 Texture Compression
S3TC Format Comparison
S3TC Format Comparison
FOURCC DX_10_Name Description Alpha_premultiplied Compression_ratio Texture_Type
DXT1 BC1 1-bit Alpha / Opaque N/A 6:1(for 24 bit source image) Simple non-alpha
DXT2 (none) Explicit alpha Yes 4:1 Sharp alpha
DXT3 BC2 Explicit alpha No 4:1 Sharp alpha
DXT4 (none) Interpolated alpha Yes 4:1 Gradient alpha
DXT5 BC3 Interpolated alpha No 4:1 Gradient alpha

Question: What DX 10 name with a premultiplied No Alpha and a description of Explicit Alpha under S3 texture compression?