This page, "1,4:5,8-Dimethanonaphthalene, 1,2,3,4,5,8-hexahydro-, (1α,4α,5β,8β)-", is part of the NIST Chemistry WebBook. This site and its contents are part of the NIST Standard R
This page, "Sarcosine, N-cyclopropylcarbonyl-, ethyl ester", is part of the NIST Chemistry WebBook. This site and its contents are part of the NIST Standard Reference Data Program.