Composition #4: KANOJIA, RM., WACHTER, MP., LEVINE, SD., ADAMS, RE., CHEN, R., CHIN, E., COTTER, ML., HIRSCH, AF., HUETTEMANN, R., KANE, VV., OSTROWSKI, P., SHAW, CJ., MATEOS, JL., NORIEGA, L., GUZMAN, A., MIJAREZ, A., TOVAR, L., SHEFTER, E. ISOLATION AND STRUCTURAL ELUCIDATION OF ZOAPATANOL AND MONTANOL, NOVEL OXEPANE DITERPENOIDS FROM THE MEXICAN PLANT ZOAPATLE (MONTANOA-TOMENTOSA) . journal of organic chemistry, 1982, vol. 47, no. 7, p. 1310–1319. DOI: 10.1021/jo00346a029.
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