| http://www.w3.org/ns/prov#value | - a cyclohexyl and R29 is a methyl; or W3 is oxygen, R28 is an ethyl and R29 is a methylamino or a dimethylamino; or W3 is oxygen and R28 and R29 together form a 1,3-propylene, 1,4-butylene or cis,cis-1,4-butadienyl group; or W3 is sulfur and R28 and R29 together form a 1,4-butylene group; or an acid-addition salt thereof. 2.
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