UDP-N-acetyl-alpha-D-glucosamine = UDP-N-acetyl-alpha-D-mannosamine
udp-n-acetyl-alpha-d-glucosamine = udp-n-acetyl-alpha-d-mannosamine
UDP-N-acetyl-alpha-D-glucosamine = UDP-N-acetyl-alpha-D-mannosamine
udp-n-acetyl-alpha-d-glucosamine = udp-n-acetyl-alpha-d-mannosamine